3974958820 has 24 divisors (see below), whose sum is σ = 9539901504. Its totient is φ = 1362842976.

The previous prime is 3974958811. The next prime is 3974958833. The reversal of 3974958820 is 288594793.

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, 14196142 + ... + 14196421.

It is an arithmetic number, because the mean of its divisors is an integer number (397495896).

Almost surely, 2^3974958820 is an apocalyptic number.

It is an amenable number.

3974958820 is an abundant number, since it is smaller than the sum of its proper divisors (5564942684).

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

3974958820 is a wasteful number, since it uses less digits than its factorization.

3974958820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28392579 (or 28392577 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 3974958820 is about 63047.2744851036. The cubic root of 3974958820 is about 1584.0815823922.

The spelling of 3974958820 in words is "three billion, nine hundred seventy-four million, nine hundred fifty-eight thousand, eight hundred twenty".