39387474 has 36 divisors (see below), whose sum is σ = 99274734. Its totient is φ = 11253312.

The previous prime is 39387433. The next prime is 39387479. The reversal of 39387474 is 47478393.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33350625 + 6036849 = 5775^2 + 2457^2 .

It is not an unprimeable number, because it can be changed into a prime (39387479) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21447 + ... + 23210.

Almost surely, 2^39387474 is an apocalyptic number.

39387474 is an abundant number, since it is smaller than the sum of its proper divisors (59887260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39387474 is a wasteful number, since it uses less digits than its factorization.

39387474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44679 (or 44669 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 39387474 is about 6275.9440724085. The cubic root of 39387474 is about 340.2405276110.

The spelling of 39387474 in words is "thirty-nine million, three hundred eighty-seven thousand, four hundred seventy-four".