39490712 has 8 divisors (see below), whose sum is σ = 74045100. Its totient is φ = 19745352.

The previous prime is 39490699. The next prime is 39490723. The reversal of 39490712 is 21709493.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2468162 + ... + 2468177.

Almost surely, 2^39490712 is an apocalyptic number.

It is an amenable number.

39490712 is a deficient number, since it is larger than the sum of its proper divisors (34554388).

39490712 is a wasteful number, since it uses less digits than its factorization.

39490712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936345 (or 4936341 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 39490712 is about 6284.1635879407. The cubic root of 39490712 is about 340.5375349538.

The spelling of 39490712 in words is "thirty-nine million, four hundred ninety thousand, seven hundred twelve".