346420400 has 30 divisors (see below), whose sum is σ = 832275972. Its totient is φ = 138568000.

The previous prime is 346420397. The next prime is 346420423. The reversal of 346420400 is 4024643.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432626 + ... + 433425.

Almost surely, 2^346420400 is an apocalyptic number.

It is an amenable number.

346420400 is an abundant number, since it is smaller than the sum of its proper divisors (485855572).

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

346420400 is a wasteful number, since it uses less digits than its factorization.

346420400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866069 (or 866058 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 346420400 is about 18612.3722292458. The cubic root of 346420400 is about 702.3191109851.

The spelling of 346420400 in words is "three hundred forty-six million, four hundred twenty thousand, four hundred".