343624644 has 72 divisors (see below), whose sum is σ = 953779008. Its totient is φ = 103446720.

The previous prime is 343624637. The next prime is 343624657. The reversal of 343624644 is 446426343.

343624644 is a `hidden beast` number, since 3 + 4 + 3 + 6 + 2 + 4 + 644 = 666.

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 = 343624599 and 343624608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59409 + ... + 64935.

Almost surely, 2^343624644 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 343624644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476889504).

343624644 is an abundant number, since it is smaller than the sum of its proper divisors (610154364).

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

343624644 is a wasteful number, since it uses less digits than its factorization.

343624644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705 (or 5700 counting only the distinct ones).

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

The square root of 343624644 is about 18537.1153095621. The cubic root of 343624644 is about 700.4246702037.

The spelling of 343624644 in words is "three hundred forty-three million, six hundred twenty-four thousand, six hundred forty-four".