974278428 has 24 divisors (see below), whose sum is σ = 2392965120. Its totient is φ = 307666800.

The previous prime is 974278351. The next prime is 974278433. The reversal of 974278428 is 824872479.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136348 + ... + 2136803.

It is an arithmetic number, because the mean of its divisors is an integer number (99706880).

Almost surely, 2^974278428 is an apocalyptic number.

It is an amenable number.

974278428 is an abundant number, since it is smaller than the sum of its proper divisors (1418686692).

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

974278428 is a wasteful number, since it uses less digits than its factorization.

974278428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273177 (or 4273175 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 974278428 is about 31213.4334542037. The cubic root of 974278428 is about 991.3515628223.

The spelling of 974278428 in words is "nine hundred seventy-four million, two hundred seventy-eight thousand, four hundred twenty-eight".