3970994652 has 96 divisors (see below), whose sum is σ = 10393644800. Its totient is φ = 1311080256.

The previous prime is 3970994639. The next prime is 3970994663. The reversal of 3970994652 is 2564990793.

3970994652 is a `hidden beast` number, since 3 + 97 + 0 + 99 + 465 + 2 = 666.

3970994652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3970994652² = 31537597052425202208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7592463 + ... + 7592985.

Almost surely, 2^3970994652 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 3970994652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5196822400).

3970994652 is an abundant number, since it is smaller than the sum of its proper divisors (6422650148).

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

3970994652 is a wasteful number, since it uses less digits than its factorization.

3970994652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The square root of 3970994652 is about 63015.8285829838. The cubic root of 3970994652 is about 1583.5548134816.

The spelling of 3970994652 in words is "three billion, nine hundred seventy million, nine hundred ninety-four thousand, six hundred fifty-two".