3971418242 has 8 divisors (see below), whose sum is σ = 6498684432. Its totient is φ = 1805190100.

The previous prime is 3971418223. The next prime is 3971418251. The reversal of 3971418242 is 2428141793.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3971418242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90259484 + ... + 90259527.

It is an arithmetic number, because the mean of its divisors is an integer number (812335554).

Almost surely, 2^3971418242 is an apocalyptic number.

3971418242 is a deficient number, since it is larger than the sum of its proper divisors (2527266190).

3971418242 is a wasteful number, since it uses less digits than its factorization.

3971418242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180519024.

The product of its digits is 96768, while the sum is 41.

The square root of 3971418242 is about 63019.1894743181. The cubic root of 3971418242 is about 1583.6111179420.

The spelling of 3971418242 in words is "three billion, nine hundred seventy-one million, four hundred eighteen thousand, two hundred forty-two".