346904663 has 36 divisors (see below), whose sum is σ = 427903560. Its totient is φ = 280294560.

The previous prime is 346904659. The next prime is 346904681. The reversal of 346904663 is 366409643.

It is a happy number.

It is not a de Polignac number, because 346904663 - 2² = 346904659 is a prime.

It is a super-2 number, since 2×346904663² = 240685690422287138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 346904663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346906663) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2495648 + ... + 2495786.

It is an arithmetic number, because the mean of its divisors is an integer number (11886210).

Almost surely, 2^346904663 is an apocalyptic number.

346904663 is a deficient number, since it is larger than the sum of its proper divisors (80998897).

346904663 is a wasteful number, since it uses less digits than its factorization.

346904663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 41.

The square root of 346904663 is about 18625.3768552478. The cubic root of 346904663 is about 702.6462172057.

The spelling of 346904663 in words is "three hundred forty-six million, nine hundred four thousand, six hundred sixty-three".