351402056 has 8 divisors (see below), whose sum is σ = 658878870. Its totient is φ = 175701024.

The previous prime is 351402049. The next prime is 351402097. The reversal of 351402056 is 650204153.

It can be written as a sum of positive squares in only one way, i.e., 191379556 + 160022500 = 13834^2 + 12650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×351402056² = 246966809922054272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21962621 + ... + 21962636.

Almost surely, 2^351402056 is an apocalyptic number.

It is an amenable number.

351402056 is a deficient number, since it is larger than the sum of its proper divisors (307476814).

351402056 is a wasteful number, since it uses less digits than its factorization.

351402056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43925263 (or 43925259 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 351402056 is about 18745.7210050721. The cubic root of 351402056 is about 705.6696392190.

The spelling of 351402056 in words is "three hundred fifty-one million, four hundred two thousand, fifty-six".