39038997 has 4 divisors (see below), whose sum is σ = 52052000. Its totient is φ = 26025996.

The previous prime is 39038971. The next prime is 39039019. The reversal of 39038997 is 79983093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 39038997 - 2⁶ = 39038933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39038297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6506497 + ... + 6506502.

It is an arithmetic number, because the mean of its divisors is an integer number (13013000).

Almost surely, 2^39038997 is an apocalyptic number.

It is an amenable number.

39038997 is a deficient number, since it is larger than the sum of its proper divisors (13013003).

39038997 is a wasteful number, since it uses less digits than its factorization.

39038997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013002.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 39038997 is about 6248.1194770907. The cubic root of 39038997 is about 339.2341383340.

The spelling of 39038997 in words is "thirty-nine million, thirty-eight thousand, nine hundred ninety-seven".