8099972 has 12 divisors (see below), whose sum is σ = 14197260. Its totient is φ = 4043616.

The previous prime is 8099969. The next prime is 8099981. The reversal of 8099972 is 2799908.

It can be written as a sum of positive squares in 2 ways, for example, as 6791236 + 1308736 = 2606^2 + 1144^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354 + ... + 4662.

It is an arithmetic number, because the mean of its divisors is an integer number (1183105).

Almost surely, 2^8099972 is an apocalyptic number.

It is an amenable number.

8099972 is a deficient number, since it is larger than the sum of its proper divisors (6097288).

8099972 is a wasteful number, since it uses less digits than its factorization.

8099972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 8099972 is about 2846.0449750487. The cubic root of 8099972 is about 200.8296536155.

The spelling of 8099972 in words is "eight million, ninety-nine thousand, nine hundred seventy-two".