8428374 has 20 divisors (see below), whose sum is σ = 18886164. Its totient is φ = 2809404.

The previous prime is 8428363. The next prime is 8428391. The reversal of 8428374 is 4738248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25852 + ... + 26175.

Almost surely, 2^8428374 is an apocalyptic number.

8428374 is an abundant number, since it is smaller than the sum of its proper divisors (10457790).

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

8428374 is a wasteful number, since it uses less digits than its factorization.

8428374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52041 (or 52032 counting only the distinct ones).

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

The square root of 8428374 is about 2903.1662026140. The cubic root of 8428374 is about 203.5078969140.

It can be divided in two parts, 842 and 8374, that added together give a square (9216 = 96²).

The spelling of 8428374 in words is "eight million, four hundred twenty-eight thousand, three hundred seventy-four".