39499952 has 40 divisors (see below), whose sum is σ = 79911552. Its totient is φ = 18892800.

The previous prime is 39499951. The next prime is 39499961. The reversal of 39499952 is 25999493.

It is a self number, because there is not a number n which added to its sum of digits gives 39499952.

It is not an unprimeable number, because it can be changed into a prime (39499951) 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, 47702 + ... + 48522.

Almost surely, 2^39499952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39499952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39955776).

39499952 is an abundant number, since it is smaller than the sum of its proper divisors (40411600).

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

39499952 is a wasteful number, since it uses less digits than its factorization.

39499952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 951 counting only the distinct ones).

The product of its digits is 787320, while the sum is 50.

The square root of 39499952 is about 6284.8987263121. The cubic root of 39499952 is about 340.5640924343.

The spelling of 39499952 in words is "thirty-nine million, four hundred ninety-nine thousand, nine hundred fifty-two".