662434344 has 144 divisors (see below), whose sum is σ = 2124076500. Its totient is φ = 185264640.

The previous prime is 662434321. The next prime is 662434349. The reversal of 662434344 is 443434266.

It can be written as a sum of positive squares in 2 ways, for example, as 612562500 + 49871844 = 24750^2 + 7062^2 .

It is a super-2 number, since 2×662434344² = 877638520221420672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 662434299 and 662434308.

It is not an unprimeable number, because it can be changed into a prime (662434349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 110332 + ... + 116180.

Almost surely, 2^662434344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662434344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062038250).

662434344 is an abundant number, since it is smaller than the sum of its proper divisors (1461642156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662434344 is a wasteful number, since it uses less digits than its factorization.

662434344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5878 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The square root of 662434344 is about 25737.7999059749. The cubic root of 662434344 is about 871.7279016646.

The spelling of 662434344 in words is "six hundred sixty-two million, four hundred thirty-four thousand, three hundred forty-four".