39682997 has 2 divisors, whose sum is σ = 39682998. Its totient is φ = 39682996.

The previous prime is 39682969. The next prime is 39683029. The reversal of 39682997 is 79928693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 1168561 = 6206^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 39682997 - 2²² = 35488693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39682927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19841498 + 19841499.

It is an arithmetic number, because the mean of its divisors is an integer number (19841499).

Almost surely, 2^39682997 is an apocalyptic number.

It is an amenable number.

39682997 is a deficient number, since it is larger than the sum of its proper divisors (1).

39682997 is an equidigital number, since it uses as much as digits as its factorization.

39682997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 39682997 is about 6299.4441818306. Note that the first 3 decimals coincide. The cubic root of 39682997 is about 341.0893463046.

The spelling of 39682997 in words is "thirty-nine million, six hundred eighty-two thousand, nine hundred ninety-seven".