3970915488 has 504 divisors, whose sum is σ = 13529416320. Its totient is φ = 1142138880.

The previous prime is 3970915447. The next prime is 3970915493. The reversal of 3970915488 is 8845190793.

3970915488 is a `hidden beast` number, since 3 + 9 + 7 + 0 + 91 + 548 + 8 = 666.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 128094033 + ... + 128094063.

It is an arithmetic number, because the mean of its divisors is an integer number (26844080).

Almost surely, 2^3970915488 is an apocalyptic number.

3970915488 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3970915488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6764708160).

3970915488 is an abundant number, since it is smaller than the sum of its proper divisors (9558500832).

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

3970915488 is a wasteful number, since it uses less digits than its factorization.

3970915488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 3970915488 is about 63015.2004519544. The cubic root of 3970915488 is about 1583.5442903946.

The spelling of 3970915488 in words is "three billion, nine hundred seventy million, nine hundred fifteen thousand, four hundred eighty-eight".