842403276 has 72 divisors (see below), whose sum is σ = 2501697744. Its totient is φ = 235635840.

The previous prime is 842403251. The next prime is 842403311. The reversal of 842403276 is 672304248.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 842403276.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76671 + ... + 86966.

It is an arithmetic number, because the mean of its divisors is an integer number (34745802).

Almost surely, 2^842403276 is an apocalyptic number.

It is an amenable number.

842403276 is an abundant number, since it is smaller than the sum of its proper divisors (1659294468).

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

842403276 is a wasteful number, since it uses less digits than its factorization.

842403276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163671 (or 163666 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 842403276 is about 29024.1843296241. The cubic root of 842403276 is about 944.4377742469.

The spelling of 842403276 in words is "eight hundred forty-two million, four hundred three thousand, two hundred seventy-six".