842603790 has 128 divisors (see below), whose sum is σ = 2358512640. Its totient is φ = 188697600.

The previous prime is 842603761. The next prime is 842603837. The reversal of 842603790 is 97306248.

It is a super-2 number, since 2×842603790² = 1419962293844728200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2998450 + ... + 2998730.

It is an arithmetic number, because the mean of its divisors is an integer number (18425880).

Almost surely, 2^842603790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842603790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179256320).

842603790 is an abundant number, since it is smaller than the sum of its proper divisors (1515908850).

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

842603790 is a wasteful number, since it uses less digits than its factorization.

842603790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 842603790 is about 29027.6383813772. The cubic root of 842603790 is about 944.5127019282.

The spelling of 842603790 in words is "eight hundred forty-two million, six hundred three thousand, seven hundred ninety".