346894664 has 8 divisors (see below), whose sum is σ = 650427510. Its totient is φ = 173447328.

The previous prime is 346894643. The next prime is 346894679. The reversal of 346894664 is 466498643.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 315062500 + 31832164 = 17750^2 + 5642^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21680909 + ... + 21680924.

Almost surely, 2^346894664 is an apocalyptic number.

It is an amenable number.

346894664 is a deficient number, since it is larger than the sum of its proper divisors (303532846).

346894664 is a wasteful number, since it uses less digits than its factorization.

346894664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43361839 (or 43361835 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 50.

The square root of 346894664 is about 18625.1084292146. The cubic root of 346894664 is about 702.6394662375.

The spelling of 346894664 in words is "three hundred forty-six million, eight hundred ninety-four thousand, six hundred sixty-four".