39982373 has 2 divisors, whose sum is σ = 39982374. Its totient is φ = 39982372.

The previous prime is 39982363. The next prime is 39982391. The reversal of 39982373 is 37328993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26863489 + 13118884 = 5183^2 + 3622^2 .

It is a cyclic number.

It is not a de Polignac number, because 39982373 - 2⁶ = 39982309 is a prime.

It is a super-2 number, since 2×39982373² = 3197180301422258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39982363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19991186 + 19991187.

It is an arithmetic number, because the mean of its divisors is an integer number (19991187).

Almost surely, 2^39982373 is an apocalyptic number.

It is an amenable number.

39982373 is a deficient number, since it is larger than the sum of its proper divisors (1).

39982373 is an equidigital number, since it uses as much as digits as its factorization.

39982373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 44.

The square root of 39982373 is about 6323.1616300708. The cubic root of 39982373 is about 341.9449457109.

The spelling of 39982373 in words is "thirty-nine million, nine hundred eighty-two thousand, three hundred seventy-three".