8370428 has 24 divisors (see below), whose sum is σ = 16060464. Its totient is φ = 3785600.

The previous prime is 8370407. The next prime is 8370433. The reversal of 8370428 is 8240738.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8370394 and 8370403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12026 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (669186).

Almost surely, 2^8370428 is an apocalyptic number.

It is an amenable number.

8370428 is a deficient number, since it is larger than the sum of its proper divisors (7690036).

8370428 is a wasteful number, since it uses less digits than its factorization.

8370428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 8370428 is about 2893.1691965732. The cubic root of 8370428 is about 203.0404442700.

The spelling of 8370428 in words is "eight million, three hundred seventy thousand, four hundred twenty-eight".