8023990 has 16 divisors (see below), whose sum is σ = 15554448. Its totient is φ = 2962656.

The previous prime is 8023979. The next prime is 8023991. The reversal of 8023990 is 993208.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8023991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30732 + ... + 30991.

It is an arithmetic number, because the mean of its divisors is an integer number (972153).

Almost surely, 2^8023990 is an apocalyptic number.

8023990 is a deficient number, since it is larger than the sum of its proper divisors (7530458).

8023990 is a wasteful number, since it uses less digits than its factorization.

8023990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61743.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 8023990 is about 2832.6648230950. The cubic root of 8023990 is about 200.1997171656.

The spelling of 8023990 in words is "eight million, twenty-three thousand, nine hundred ninety".