39304137 has 4 divisors (see below), whose sum is σ = 52405520. Its totient is φ = 26202756.

The previous prime is 39304123. The next prime is 39304151. The reversal of 39304137 is 73140393.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73140393 = 3 ⋅24380131.

It is an interprime number because it is at equal distance from previous prime (39304123) and next prime (39304151).

It is not a de Polignac number, because 39304137 - 2¹⁴ = 39287753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39304157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6550687 + ... + 6550692.

It is an arithmetic number, because the mean of its divisors is an integer number (13101380).

Almost surely, 2^39304137 is an apocalyptic number.

It is an amenable number.

39304137 is a deficient number, since it is larger than the sum of its proper divisors (13101383).

39304137 is a wasteful number, since it uses less digits than its factorization.

39304137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101382.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 39304137 is about 6269.3011572264. The cubic root of 39304137 is about 340.0003950399. Note that the first 3 decimals are identical.

The spelling of 39304137 in words is "thirty-nine million, three hundred four thousand, one hundred thirty-seven".