427249900 has 72 divisors (see below), whose sum is σ = 1155926016. Its totient is φ = 133166400.

The previous prime is 427249883. The next prime is 427249931. The reversal of 427249900 is 9942724.

It is a self number, because there is not a number n which added to its sum of digits gives 427249900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20044 + ... + 35443.

It is an arithmetic number, because the mean of its divisors is an integer number (16054528).

Almost surely, 2^427249900 is an apocalyptic number.

It is an amenable number.

427249900 is an abundant number, since it is smaller than the sum of its proper divisors (728676116).

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

427249900 is a wasteful number, since it uses less digits than its factorization.

427249900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55519 (or 55512 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 427249900 is about 20670.0241896327. The cubic root of 427249900 is about 753.1716941601.

The spelling of 427249900 in words is "four hundred twenty-seven million, two hundred forty-nine thousand, nine hundred".