39901248 has 140 divisors (see below), whose sum is σ = 121706640. Its totient is φ = 12918528.

The previous prime is 39901243. The next prime is 39901249. The reversal of 39901248 is 84210993.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (39901243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 222823 + ... + 223001.

Almost surely, 2^39901248 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 39901248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60853320).

39901248 is an abundant number, since it is smaller than the sum of its proper divisors (81805392).

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

39901248 is a wasteful number, since it uses less digits than its factorization.

39901248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 39901248 is about 6316.7434647926. The cubic root of 39901248 is about 341.7135181703.

The spelling of 39901248 in words is "thirty-nine million, nine hundred one thousand, two hundred forty-eight".