8250428 has 24 divisors (see below), whose sum is σ = 14784000. Its totient is φ = 4027968.

The previous prime is 8250419. The next prime is 8250439. The reversal of 8250428 is 8240528.

It is a self number, because there is not a number n which added to its sum of digits gives 8250428.

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, 55298 + ... + 55446.

It is an arithmetic number, because the mean of its divisors is an integer number (616000).

Almost surely, 2^8250428 is an apocalyptic number.

It is an amenable number.

8250428 is a deficient number, since it is larger than the sum of its proper divisors (6533572).

8250428 is a wasteful number, since it uses less digits than its factorization.

8250428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8250428 is about 2872.3558275395. The cubic root of 8250428 is about 202.0654952146.

The spelling of 8250428 in words is "eight million, two hundred fifty thousand, four hundred twenty-eight".