343785972 has 12 divisors (see below), whose sum is σ = 802167296. Its totient is φ = 114595320.

The previous prime is 343785947. The next prime is 343786007. The reversal of 343785972 is 279587343.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14324404 + ... + 14324427.

Almost surely, 2^343785972 is an apocalyptic number.

It is an amenable number.

343785972 is an abundant number, since it is smaller than the sum of its proper divisors (458381324).

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

343785972 is a wasteful number, since it uses less digits than its factorization.

343785972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28648838 (or 28648836 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 343785972 is about 18541.4662850596. The cubic root of 343785972 is about 700.5342669531.

The spelling of 343785972 in words is "three hundred forty-three million, seven hundred eighty-five thousand, nine hundred seventy-two".