346353680 has 20 divisors (see below), whose sum is σ = 805272492. Its totient is φ = 138541440.

The previous prime is 346353677. The next prime is 346353703. The reversal of 346353680 is 86353643.

It can be written as a sum of positive squares in 2 ways, for example, as 246992656 + 99361024 = 15716^2 + 9968^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164631 + ... + 2164790.

Almost surely, 2^346353680 is an apocalyptic number.

It is an amenable number.

346353680 is an abundant number, since it is smaller than the sum of its proper divisors (458918812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346353680 is a wasteful number, since it uses less digits than its factorization.

346353680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329434 (or 4329428 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 346353680 is about 18610.5797867772. The cubic root of 346353680 is about 702.2740195877.

The spelling of 346353680 in words is "three hundred forty-six million, three hundred fifty-three thousand, six hundred eighty".