39969374 has 8 divisors (see below), whose sum is σ = 60336408. Its totient is φ = 19857240.

The previous prime is 39969359. The next prime is 39969421. The reversal of 39969374 is 47396993.

It is a happy number.

39969374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63332 + ... + 63959.

It is an arithmetic number, because the mean of its divisors is an integer number (7542051).

Almost surely, 2^39969374 is an apocalyptic number.

39969374 is a deficient number, since it is larger than the sum of its proper divisors (20367034).

39969374 is a wasteful number, since it uses less digits than its factorization.

39969374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127450.

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

The square root of 39969374 is about 6322.1336588212. The cubic root of 39969374 is about 341.9078841776.

The spelling of 39969374 in words is "thirty-nine million, nine hundred sixty-nine thousand, three hundred seventy-four".