662279652 has 60 divisors (see below), whose sum is σ = 1755109356. Its totient is φ = 217728000.

The previous prime is 662279647. The next prime is 662279669. The reversal of 662279652 is 256972266.

It can be written as a sum of positive squares in 2 ways, for example, as 415915236 + 246364416 = 20394^2 + 15696^2 .

It is a super-2 number, since 2×662279652² = 877228674906482208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 662279598 and 662279607.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 9652 + ... + 37652.

Almost surely, 2^662279652 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 662279652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877554678).

662279652 is an abundant number, since it is smaller than the sum of its proper divisors (1092829704).

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

662279652 is a wasteful number, since it uses less digits than its factorization.

662279652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28090 (or 28079 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 662279652 is about 25734.7945785468. The cubic root of 662279652 is about 871.6600409366.

The spelling of 662279652 in words is "six hundred sixty-two million, two hundred seventy-nine thousand, six hundred fifty-two".