346436864 has 18 divisors (see below), whose sum is σ = 691520970. Its totient is φ = 173218304.

The previous prime is 346436843. The next prime is 346436917. The reversal of 346436864 is 468634643.

It can be written as a sum of positive squares in only one way, i.e., 345662464 + 774400 = 18592^2 + 880^2 .

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, 676379 + ... + 676890.

Almost surely, 2^346436864 is an apocalyptic number.

It is an amenable number.

346436864 is a deficient number, since it is larger than the sum of its proper divisors (345084106).

346436864 is an equidigital number, since it uses as much as digits as its factorization.

346436864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353285 (or 1353271 counting only the distinct ones).

The product of its digits is 995328, while the sum is 44.

The square root of 346436864 is about 18612.8145104388. The cubic root of 346436864 is about 702.3302369645.

The spelling of 346436864 in words is "three hundred forty-six million, four hundred thirty-six thousand, eight hundred sixty-four".