3937489974 has 128 divisors (see below), whose sum is σ = 9728409600. Its totient is φ = 1170560160.

The previous prime is 3937489967. The next prime is 3937489999. The reversal of 3937489974 is 4799847393.

3937489974 is a `hidden beast` number, since 39 + 37 + 489 + 97 + 4 = 666.

3937489974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8504067 + ... + 8504529.

It is an arithmetic number, because the mean of its divisors is an integer number (76003200).

Almost surely, 2^3937489974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3937489974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4864204800).

3937489974 is an abundant number, since it is smaller than the sum of its proper divisors (5790919626).

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

3937489974 is a wasteful number, since it uses less digits than its factorization.

3937489974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 721 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The square root of 3937489974 is about 62749.4221009246. The cubic root of 3937489974 is about 1579.0885591416.

The spelling of 3937489974 in words is "three billion, nine hundred thirty-seven million, four hundred eighty-nine thousand, nine hundred seventy-four".