346130920 has 32 divisors (see below), whose sum is σ = 786832200. Its totient is φ = 137023488.

The previous prime is 346130891. The next prime is 346130947. The reversal of 346130920 is 29031643.

It can be written as a sum of positive squares in 4 ways, for example, as 232196644 + 113934276 = 15238^2 + 10674^2 .

It is a super-2 number, since 2×346130920² = 239613227560092800, which contains 22 as substring.

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, 40725 + ... + 48484.

Almost surely, 2^346130920 is an apocalyptic number.

It is an amenable number.

346130920 is an abundant number, since it is smaller than the sum of its proper divisors (440701280).

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

346130920 is a wasteful number, since it uses less digits than its factorization.

346130920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89317 (or 89313 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 346130920 is about 18604.5940563077. The cubic root of 346130920 is about 702.1234296755.

The spelling of 346130920 in words is "three hundred forty-six million, one hundred thirty thousand, nine hundred twenty".