39697934 has 4 divisors (see below), whose sum is σ = 59546904. Its totient is φ = 19848966.

The previous prime is 39697927. The next prime is 39697937. The reversal of 39697934 is 43979693.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39697937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9924482 + ... + 9924485.

It is an arithmetic number, because the mean of its divisors is an integer number (14886726).

Almost surely, 2^39697934 is an apocalyptic number.

39697934 is a deficient number, since it is larger than the sum of its proper divisors (19848970).

39697934 is a wasteful number, since it uses less digits than its factorization.

39697934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19848969.

The product of its digits is 1102248, while the sum is 50.

The square root of 39697934 is about 6300.6296510746. The cubic root of 39697934 is about 341.1321371960.

The spelling of 39697934 in words is "thirty-nine million, six hundred ninety-seven thousand, nine hundred thirty-four".