7966915 has 16 divisors (see below), whose sum is σ = 10686816. Its totient is φ = 5651200.

The previous prime is 7966879. The next prime is 7966927. The reversal of 7966915 is 5196697.

It is not a de Polignac number, because 7966915 - 2⁷ = 7966787 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 489 + ... + 4021.

It is an arithmetic number, because the mean of its divisors is an integer number (667926).

Almost surely, 2^7966915 is an apocalyptic number.

7966915 is a deficient number, since it is larger than the sum of its proper divisors (2719901).

7966915 is a wasteful number, since it uses less digits than its factorization.

7966915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its digits is 102060, while the sum is 43.

The square root of 7966915 is about 2822.5724082829. The cubic root of 7966915 is about 199.7239107156.

The spelling of 7966915 in words is "seven million, nine hundred sixty-six thousand, nine hundred fifteen".