7960981 has 24 divisors (see below), whose sum is σ = 10342080. Its totient is φ = 6072192.

The previous prime is 7960969. The next prime is 7960991. The reversal of 7960981 is 1890697.

It is not a de Polignac number, because 7960981 - 2⁷ = 7960853 is a prime.

It is a super-2 number, since 2×7960981² = 126754436964722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7960991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15576 + ... + 16078.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^7960981 is an apocalyptic number.

It is an amenable number.

7960981 is a deficient number, since it is larger than the sum of its proper divisors (2381099).

7960981 is a wasteful number, since it uses less digits than its factorization.

7960981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 7960981 is about 2821.5210436926. The cubic root of 7960981 is about 199.6743115899.

The spelling of 7960981 in words is "seven million, nine hundred sixty thousand, nine hundred eighty-one".