39521048 has 48 divisors (see below), whose sum is σ = 88338600. Its totient is φ = 16517760.

The previous prime is 39521047. The next prime is 39521057. The reversal of 39521048 is 84012593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39521047) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 14843 + ... + 17301.

Almost surely, 2^39521048 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 39521048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44169300).

39521048 is an abundant number, since it is smaller than the sum of its proper divisors (48817552).

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

39521048 is a wasteful number, since it uses less digits than its factorization.

39521048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 39521048 is about 6286.5768109520. The cubic root of 39521048 is about 340.6247107480.

The spelling of 39521048 in words is "thirty-nine million, five hundred twenty-one thousand, forty-eight".