3917391324 has 48 divisors (see below), whose sum is σ = 11396050176. Its totient is φ = 1017504000.

The previous prime is 3917391319. The next prime is 3917391341. The reversal of 3917391324 is 4231937193.

It is a super-4 number, since 4×3917391324⁴ (a number of 39 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118877 + ... + 2120724.

It is an arithmetic number, because the mean of its divisors is an integer number (237417712).

Almost surely, 2^3917391324 is an apocalyptic number.

It is an amenable number.

3917391324 is an abundant number, since it is smaller than the sum of its proper divisors (7478658852).

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

3917391324 is a wasteful number, since it uses less digits than its factorization.

3917391324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239626 (or 4239624 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 3917391324 is about 62589.0671283731. The cubic root of 3917391324 is about 1576.3971912180.

The spelling of 3917391324 in words is "three billion, nine hundred seventeen million, three hundred ninety-one thousand, three hundred twenty-four".