842347494 has 24 divisors (see below), whose sum is σ = 1825827120. Its totient is φ = 280668528.

The previous prime is 842347487. The next prime is 842347507. The reversal of 842347494 is 494743248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44319 + ... + 60405.

It is an arithmetic number, because the mean of its divisors is an integer number (76076130).

Almost surely, 2^842347494 is an apocalyptic number.

842347494 is an abundant number, since it is smaller than the sum of its proper divisors (983479626).

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

842347494 is a wasteful number, since it uses less digits than its factorization.

842347494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19004 (or 19001 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 842347494 is about 29023.2233564778. The cubic root of 842347494 is about 944.4169276238.

The spelling of 842347494 in words is "eight hundred forty-two million, three hundred forty-seven thousand, four hundred ninety-four".