345728900 has 36 divisors (see below), whose sum is σ = 818437200. Its totient is φ = 125719200.

The previous prime is 345728897. The next prime is 345728941. The reversal of 345728900 is 9827543.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156050 + ... + 158249.

Almost surely, 2^345728900 is an apocalyptic number.

It is an amenable number.

345728900 is an abundant number, since it is smaller than the sum of its proper divisors (472708300).

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

345728900 is a wasteful number, since it uses less digits than its factorization.

345728900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314324 (or 314317 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 345728900 is about 18593.7865966026. The cubic root of 345728900 is about 701.8514930594.

The spelling of 345728900 in words is "three hundred forty-five million, seven hundred twenty-eight thousand, nine hundred".