39092489 has 2 divisors, whose sum is σ = 39092490. Its totient is φ = 39092488.

The previous prime is 39092477. The next prime is 39092491. The reversal of 39092489 is 98429093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 11002489 = 5300^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 39092489 - 2⁸ = 39092233 is a prime.

Together with 39092491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39092789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19546244 + 19546245.

It is an arithmetic number, because the mean of its divisors is an integer number (19546245).

Almost surely, 2^39092489 is an apocalyptic number.

It is an amenable number.

39092489 is a deficient number, since it is larger than the sum of its proper divisors (1).

39092489 is an equidigital number, since it uses as much as digits as its factorization.

39092489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 39092489 is about 6252.3986597145. The cubic root of 39092489 is about 339.3890093782.

The spelling of 39092489 in words is "thirty-nine million, ninety-two thousand, four hundred eighty-nine".