3924347491 has 8 divisors (see below), whose sum is σ = 3949344000. Its totient is φ = 3899385480.

The previous prime is 3924347447. The next prime is 3924347501. The reversal of 3924347491 is 1947434293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3924347491 - 2²³ = 3915958883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3924344491) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 242586 + ... + 258256.

It is an arithmetic number, because the mean of its divisors is an integer number (493668000).

Almost surely, 2^3924347491 is an apocalyptic number.

3924347491 is a deficient number, since it is larger than the sum of its proper divisors (24996509).

3924347491 is a wasteful number, since it uses less digits than its factorization.

3924347491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17249.

The product of its digits is 653184, while the sum is 46.

The square root of 3924347491 is about 62644.6126255083. The cubic root of 3924347491 is about 1577.3297163749.

The spelling of 3924347491 in words is "three billion, nine hundred twenty-four million, three hundred forty-seven thousand, four hundred ninety-one".