39021248 has 84 divisors (see below), whose sum is σ = 94164912. Its totient is φ = 15966720.

The previous prime is 39021223. The next prime is 39021263. The reversal of 39021248 is 84212093.

It is a self number, because there is not a number n which added to its sum of digits gives 39021248.

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 in 11 ways as a sum of consecutive naturals, for example, 71858 + ... + 72398.

Almost surely, 2^39021248 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 39021248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47082456).

39021248 is an abundant number, since it is smaller than the sum of its proper divisors (55143664).

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

39021248 is a wasteful number, since it uses less digits than its factorization.

39021248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 39021248 is about 6246.6989682552. The cubic root of 39021248 is about 339.1827198388.

The spelling of 39021248 in words is "thirty-nine million, twenty-one thousand, two hundred forty-eight".