8081790 has 16 divisors (see below), whose sum is σ = 19396368. Its totient is φ = 2155136.

The previous prime is 8081789. The next prime is 8081803. The reversal of 8081790 is 971808.

It is a nialpdrome in base 15.

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, 134667 + ... + 134726.

It is an arithmetic number, because the mean of its divisors is an integer number (1212273).

Almost surely, 2^8081790 is an apocalyptic number.

8081790 is an abundant number, since it is smaller than the sum of its proper divisors (11314578).

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

8081790 is a wasteful number, since it uses less digits than its factorization.

8081790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269403.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 8081790 is about 2842.8489231755. The cubic root of 8081790 is about 200.6792736579.

The spelling of 8081790 in words is "eight million, eighty-one thousand, seven hundred ninety".