346861372 has 48 divisors (see below), whose sum is σ = 724891104. Its totient is φ = 143136000.

The previous prime is 346861369. The next prime is 346861381. The reversal of 346861372 is 273168643.

It is a super-2 number, since 2×346861372² = 240625622771444768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 15 ways as a sum of consecutive naturals, for example, 29922 + ... + 39862.

It is an arithmetic number, because the mean of its divisors is an integer number (15101898).

Almost surely, 2^346861372 is an apocalyptic number.

It is an amenable number.

346861372 is an abundant number, since it is smaller than the sum of its proper divisors (378029732).

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

346861372 is a wasteful number, since it uses less digits than its factorization.

346861372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030 (or 10028 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 346861372 is about 18624.2146680068. The cubic root of 346861372 is about 702.6169877314.

The spelling of 346861372 in words is "three hundred forty-six million, eight hundred sixty-one thousand, three hundred seventy-two".