8091965 has 16 divisors (see below), whose sum is σ = 11370240. Its totient is φ = 5412480.

The previous prime is 8091959. The next prime is 8091973. The reversal of 8091965 is 5691908.

It is not a de Polignac number, because 8091965 - 2⁶ = 8091901 is a prime.

It is a super-2 number, since 2×8091965² = 130959795122450, which contains 22 as substring.

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, 1385 + ... + 4254.

It is an arithmetic number, because the mean of its divisors is an integer number (710640).

Almost surely, 2^8091965 is an apocalyptic number.

It is an amenable number.

8091965 is a deficient number, since it is larger than the sum of its proper divisors (3278275).

8091965 is a wasteful number, since it uses less digits than its factorization.

8091965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5692.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 8091965 is about 2844.6379382972. The cubic root of 8091965 is about 200.7634569591.

The spelling of 8091965 in words is "eight million, ninety-one thousand, nine hundred sixty-five".