39381974 has 8 divisors (see below), whose sum is σ = 59820960. Its totient is φ = 19441656.

The previous prime is 39381959. The next prime is 39381983. The reversal of 39381974 is 47918393.

It is a happy number.

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

It is a super-3 number, since 3×39381974³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124469 + ... + 124784.

It is an arithmetic number, because the mean of its divisors is an integer number (7477620).

Almost surely, 2^39381974 is an apocalyptic number.

39381974 is a deficient number, since it is larger than the sum of its proper divisors (20438986).

39381974 is a wasteful number, since it uses less digits than its factorization.

39381974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249334.

The product of its digits is 163296, while the sum is 44.

The square root of 39381974 is about 6275.5058760231. The cubic root of 39381974 is about 340.2246900039.

The spelling of 39381974 in words is "thirty-nine million, three hundred eighty-one thousand, nine hundred seventy-four".