8265990 has 32 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 2195424.

The previous prime is 8265989. The next prime is 8266001. The reversal of 8265990 is 995628.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11007 + ... + 11733.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^8265990 is an apocalyptic number.

8265990 is an abundant number, since it is smaller than the sum of its proper divisors (11652090).

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

8265990 is a wasteful number, since it uses less digits than its factorization.

8265990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 8265990 is about 2875.0634775601. The cubic root of 8265990 is about 202.1924610811.

The spelling of 8265990 in words is "eight million, two hundred sixty-five thousand, nine hundred ninety".