345394012 has 6 divisors (see below), whose sum is σ = 604439528. Its totient is φ = 172697004.

The previous prime is 345394003. The next prime is 345394051. The reversal of 345394012 is 210493543.

It is a super-2 number, since 2×345394012² = 238594047050912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43174248 + ... + 43174255.

Almost surely, 2^345394012 is an apocalyptic number.

It is an amenable number.

345394012 is a deficient number, since it is larger than the sum of its proper divisors (259045516).

345394012 is a wasteful number, since it uses less digits than its factorization.

345394012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86348507 (or 86348505 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 345394012 is about 18584.7790409249. The cubic root of 345394012 is about 701.6248052565.

The spelling of 345394012 in words is "three hundred forty-five million, three hundred ninety-four thousand, twelve".