1942406817 has 16 divisors (see below), whose sum is σ = 2789888640. Its totient is φ = 1194988032.

The previous prime is 1942406813. The next prime is 1942406819. The reversal of 1942406817 is 7186042491.

1942406817 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1942406817 - 2² = 1942406813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1942406813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256753 + ... + 264209.

It is an arithmetic number, because the mean of its divisors is an integer number (174368040).

Almost surely, 2^1942406817 is an apocalyptic number.

It is an amenable number.

1942406817 is a deficient number, since it is larger than the sum of its proper divisors (847481823).

1942406817 is a wasteful number, since it uses less digits than its factorization.

1942406817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1942406817 is about 44072.7446048008. The cubic root of 1942406817 is about 1247.7092588618.

The spelling of 1942406817 in words is "one billion, nine hundred forty-two million, four hundred six thousand, eight hundred seventeen".