8490356 has 24 divisors (see below), whose sum is σ = 17048640. Its totient is φ = 3624192.

The previous prime is 8490341. The next prime is 8490379. The reversal of 8490356 is 6530948.

It is a super-2 number, since 2×8490356² = 144172290013472, which contains 22 as substring.

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, 9455 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (710360).

Almost surely, 2^8490356 is an apocalyptic number.

It is an amenable number.

8490356 is an abundant number, since it is smaller than the sum of its proper divisors (8558284).

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

8490356 is a wasteful number, since it uses less digits than its factorization.

8490356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 8490356 is about 2913.8215456682. The cubic root of 8490356 is about 204.0055425894.

The spelling of 8490356 in words is "eight million, four hundred ninety thousand, three hundred fifty-six".