8500990 has 16 divisors (see below), whose sum is σ = 15439248. Its totient is φ = 3369856.

The previous prime is 8500967. The next prime is 8501011. The reversal of 8500990 is 990058.

8500990 is a modest number, since divided by 990 gives 850 as remainder.

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, 2632 + ... + 4891.

It is an arithmetic number, because the mean of its divisors is an integer number (964953).

Almost surely, 2^8500990 is an apocalyptic number.

8500990 is a deficient number, since it is larger than the sum of its proper divisors (6938258).

8500990 is a wasteful number, since it uses less digits than its factorization.

8500990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 8500990 is about 2915.6457260785. The cubic root of 8500990 is about 204.0906780011.

The spelling of 8500990 in words is "eight million, five hundred thousand, nine hundred ninety".