3970844628 has 24 divisors (see below), whose sum is σ = 9324323232. Its totient is φ = 1315183584.

The previous prime is 3970844627. The next prime is 3970844639. The reversal of 3970844628 is 8264480793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970844623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051950 + ... + 1055717.

It is an arithmetic number, because the mean of its divisors is an integer number (388513468).

Almost surely, 2^3970844628 is an apocalyptic number.

It is an amenable number.

3970844628 is an abundant number, since it is smaller than the sum of its proper divisors (5353478604).

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

3970844628 is a wasteful number, since it uses less digits than its factorization.

3970844628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107831 (or 2107829 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 3970844628 is about 63014.6382041506. The cubic root of 3970844628 is about 1583.5348710205.

The spelling of 3970844628 in words is "three billion, nine hundred seventy million, eight hundred forty-four thousand, six hundred twenty-eight".