428990370 has 32 divisors (see below), whose sum is σ = 1036497600. Its totient is φ = 113628480.

The previous prime is 428990351. The next prime is 428990381. The reversal of 428990370 is 73099824.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43516 + ... + 52455.

It is an arithmetic number, because the mean of its divisors is an integer number (32390550).

Almost surely, 2^428990370 is an apocalyptic number.

428990370 is an abundant number, since it is smaller than the sum of its proper divisors (607507230).

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

428990370 is a wasteful number, since it uses less digits than its factorization.

428990370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96130.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 428990370 is about 20712.0827055127. The cubic root of 428990370 is about 754.1930298705.

The spelling of 428990370 in words is "four hundred twenty-eight million, nine hundred ninety thousand, three hundred seventy".