3974481807 has 24 divisors (see below), whose sum is σ = 5662500480. Its totient is φ = 2472346800.

The previous prime is 3974481793. The next prime is 3974481817. The reversal of 3974481807 is 7081844793.

It is not a de Polignac number, because 3974481807 - 2⁸ = 3974481551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3974481807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974481817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4010082 + ... + 4011072.

It is an arithmetic number, because the mean of its divisors is an integer number (235937520).

Almost surely, 2^3974481807 is an apocalyptic number.

3974481807 is a deficient number, since it is larger than the sum of its proper divisors (1688018673).

3974481807 is an frugal number, since it uses more digits than its factorization.

3974481807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 3974481807 is about 63043.4913928472. The cubic root of 3974481807 is about 1584.0182142106.

The spelling of 3974481807 in words is "three billion, nine hundred seventy-four million, four hundred eighty-one thousand, eight hundred seven".