3817391952 has 40 divisors (see below), whose sum is σ = 10758106080. Its totient is φ = 1156785280.

The previous prime is 3817391947. The next prime is 3817391953. The reversal of 3817391952 is 2591937183.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3817391953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614427 + ... + 3615482.

It is an arithmetic number, because the mean of its divisors is an integer number (268952652).

Almost surely, 2^3817391952 is an apocalyptic number.

It is an amenable number.

3817391952 is an abundant number, since it is smaller than the sum of its proper divisors (6940714128).

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

3817391952 is a wasteful number, since it uses less digits than its factorization.

3817391952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229931 (or 7229925 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 3817391952 is about 61785.0463461832. The cubic root of 3817391952 is about 1562.8678279160.

The spelling of 3817391952 in words is "three billion, eight hundred seventeen million, three hundred ninety-one thousand, nine hundred fifty-two".