842517912 has 32 divisors (see below), whose sum is σ = 2217153600. Its totient is φ = 266058144.

The previous prime is 842517901. The next prime is 842517917. The reversal of 842517912 is 219715248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842517917) 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, 923358 + ... + 924269.

It is an arithmetic number, because the mean of its divisors is an integer number (69286050).

Almost surely, 2^842517912 is an apocalyptic number.

It is an amenable number.

842517912 is an abundant number, since it is smaller than the sum of its proper divisors (1374635688).

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

842517912 is a wasteful number, since it uses less digits than its factorization.

842517912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847655 (or 1847651 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 842517912 is about 29026.1590983030. The cubic root of 842517912 is about 944.4806126597.

The spelling of 842517912 in words is "eight hundred forty-two million, five hundred seventeen thousand, nine hundred twelve".