842097534 has 32 divisors (see below), whose sum is σ = 1746450720. Its totient is φ = 270369792.

The previous prime is 842097523. The next prime is 842097539. The reversal of 842097534 is 435790248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842097539) 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, 69754 + ... + 80930.

It is an arithmetic number, because the mean of its divisors is an integer number (54576585).

Almost surely, 2^842097534 is an apocalyptic number.

842097534 is an abundant number, since it is smaller than the sum of its proper divisors (904353186).

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

842097534 is a wasteful number, since it uses less digits than its factorization.

842097534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11644.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 842097534 is about 29018.9168302333. The cubic root of 842097534 is about 944.3235022813.

The spelling of 842097534 in words is "eight hundred forty-two million, ninety-seven thousand, five hundred thirty-four".