39296981 has 2 divisors, whose sum is σ = 39296982. Its totient is φ = 39296980.

The previous prime is 39296977. The next prime is 39296989. The reversal of 39296981 is 18969293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39262756 + 34225 = 6266^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 39296981 - 2² = 39296977 is a prime.

It is a super-2 number, since 2×39296981² = 3088505431428722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39296989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19648490 + 19648491.

It is an arithmetic number, because the mean of its divisors is an integer number (19648491).

Almost surely, 2^39296981 is an apocalyptic number.

It is an amenable number.

39296981 is a deficient number, since it is larger than the sum of its proper divisors (1).

39296981 is an equidigital number, since it uses as much as digits as its factorization.

39296981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 47.

The square root of 39296981 is about 6268.7304137281. The cubic root of 39296981 is about 339.9797594641.

The spelling of 39296981 in words is "thirty-nine million, two hundred ninety-six thousand, nine hundred eighty-one".