428074830 has 48 divisors (see below), whose sum is σ = 1143084384. Its totient is φ = 111067200.

The previous prime is 428074819. The next prime is 428074853. The reversal of 428074830 is 38470824.

It is a congruent number.

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, 60946 + ... + 67605.

It is an arithmetic number, because the mean of its divisors is an integer number (23814258).

Almost surely, 2^428074830 is an apocalyptic number.

428074830 is an abundant number, since it is smaller than the sum of its proper divisors (715009554).

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

428074830 is a wasteful number, since it uses less digits than its factorization.

428074830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128601 (or 128598 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 428074830 is about 20689.9693088221. The cubic root of 428074830 is about 753.6561214070.

The spelling of 428074830 in words is "four hundred twenty-eight million, seventy-four thousand, eight hundred thirty".