345436624 has 40 divisors (see below), whose sum is σ = 721953792. Its totient is φ = 159169920.

The previous prime is 345436607. The next prime is 345436633. The reversal of 345436624 is 426634543.

It is a happy number.

It is a super-2 number, since 2×345436624² = 238652922401034752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188577 + ... + 190399.

Almost surely, 2^345436624 is an apocalyptic number.

It is an amenable number.

345436624 is an abundant number, since it is smaller than the sum of its proper divisors (376517168).

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

345436624 is a wasteful number, since it uses less digits than its factorization.

345436624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2749 counting only the distinct ones).

The product of its digits is 207360, while the sum is 37.

The square root of 345436624 is about 18585.9254275917. The cubic root of 345436624 is about 701.6536577223.

The spelling of 345436624 in words is "three hundred forty-five million, four hundred thirty-six thousand, six hundred twenty-four".