3942491317 has 8 divisors (see below), whose sum is σ = 4153968000. Its totient is φ = 3731412384.

The previous prime is 3942491297. The next prime is 3942491321. The reversal of 3942491317 is 7131942493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3942491317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942491327) 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, 78973 + ... + 118834.

It is an arithmetic number, because the mean of its divisors is an integer number (519246000).

Almost surely, 2^3942491317 is an apocalyptic number.

It is an amenable number.

3942491317 is a deficient number, since it is larger than the sum of its proper divisors (211476683).

3942491317 is a wasteful number, since it uses less digits than its factorization.

3942491317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198875.

The product of its digits is 163296, while the sum is 43.

The square root of 3942491317 is about 62789.2611598512. The cubic root of 3942491317 is about 1579.7568547759.

The spelling of 3942491317 in words is "three billion, nine hundred forty-two million, four hundred ninety-one thousand, three hundred seventeen".