39490752 has 56 divisors (see below), whose sum is σ = 119416576. Its totient is φ = 11282688.

The previous prime is 39490751. The next prime is 39490769. The reversal of 39490752 is 25709493.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 39490752.

It is not an unprimeable number, because it can be changed into a prime (39490751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13348 + ... + 16035.

Almost surely, 2^39490752 is an apocalyptic number.

39490752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39490752 is an abundant number, since it is smaller than the sum of its proper divisors (79925824).

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

39490752 is a wasteful number, since it uses less digits than its factorization.

39490752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29405 (or 29395 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 39490752 is about 6284.1667705433. The cubic root of 39490752 is about 340.5376499302.

The spelling of 39490752 in words is "thirty-nine million, four hundred ninety thousand, seven hundred fifty-two".