3957343488 has 162 divisors, whose sum is σ = 13273232154. Its totient is φ = 1130637312.

The previous prime is 3957343441. The next prime is 3957343529. The reversal of 3957343488 is 8843437593.

3957343488 is a `hidden beast` number, since 3 + 95 + 73 + 4 + 3 + 488 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2782773504 + 1174569984 = 52752^2 + 34272^2 .

It is a super-2 number, since 2×3957343488² = 31321134964032012288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 95370 + ... + 130422.

Almost surely, 2^3957343488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3957343488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6636616077).

3957343488 is an abundant number, since it is smaller than the sum of its proper divisors (9315888666).

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

3957343488 is a wasteful number, since it uses less digits than its factorization.

3957343488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35089 (or 35065 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 3957343488 is about 62907.4199757072. The cubic root of 3957343488 is about 1581.7381246119.

The spelling of 3957343488 in words is "three billion, nine hundred fifty-seven million, three hundred forty-three thousand, four hundred eighty-eight".