8973931 has 2 divisors, whose sum is σ = 8973932. Its totient is φ = 8973930.

The previous prime is 8973919. The next prime is 8973961. The reversal of 8973931 is 1393798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8973931 - 2⁷ = 8973803 is a prime.

It is a super-2 number, since 2×8973931² = 161062875185522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8973901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4486965 + 4486966.

It is an arithmetic number, because the mean of its divisors is an integer number (4486966).

Almost surely, 2^8973931 is an apocalyptic number.

8973931 is a deficient number, since it is larger than the sum of its proper divisors (1).

8973931 is an equidigital number, since it uses as much as digits as its factorization.

8973931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 8973931 is about 2995.6520158390. The cubic root of 8973931 is about 207.8073521366.

The spelling of 8973931 in words is "eight million, nine hundred seventy-three thousand, nine hundred thirty-one".