3971822948 has 72 divisors (see below), whose sum is σ = 7684566120. Its totient is φ = 1793720320.

The previous prime is 3971822927. The next prime is 3971822969. The reversal of 3971822948 is 8492281793.

It is an interprime number because it is at equal distance from previous prime (3971822927) and next prime (3971822969).

It can be written as a sum of positive squares in 12 ways, for example, as 92775424 + 3879047524 = 9632^2 + 62282^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3971822948.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8615438 + ... + 8615898.

It is an arithmetic number, because the mean of its divisors is an integer number (106730085).

Almost surely, 2^3971822948 is an apocalyptic number.

It is an amenable number.

3971822948 is a deficient number, since it is larger than the sum of its proper divisors (3712743172).

3971822948 is a wasteful number, since it uses less digits than its factorization.

3971822948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 766 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 3971822948 is about 63022.4003668537. The cubic root of 3971822948 is about 1583.6649085623.

The spelling of 3971822948 in words is "three billion, nine hundred seventy-one million, eight hundred twenty-two thousand, nine hundred forty-eight".