39481072 has 40 divisors (see below), whose sum is σ = 83204496. Its totient is φ = 18072576.

The previous prime is 39481067. The next prime is 39481097. The reversal of 39481072 is 27018493.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8103 + ... + 12025.

Almost surely, 2^39481072 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 39481072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41602248).

39481072 is an abundant number, since it is smaller than the sum of its proper divisors (43723424).

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

39481072 is a wasteful number, since it uses less digits than its factorization.

39481072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 39481072 is about 6283.3965337228. The cubic root of 39481072 is about 340.5098233830.

The spelling of 39481072 in words is "thirty-nine million, four hundred eighty-one thousand, seventy-two".