842338494 has 32 divisors (see below), whose sum is σ = 1891172640. Its totient is φ = 277883136.

The previous prime is 842338493. The next prime is 842338513. The reversal of 842338494 is 494833248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842338493) 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, 75169 + ... + 85644.

It is an arithmetic number, because the mean of its divisors is an integer number (59099145).

Almost surely, 2^842338494 is an apocalyptic number.

842338494 is an abundant number, since it is smaller than the sum of its proper divisors (1048834146).

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

842338494 is a wasteful number, since it uses less digits than its factorization.

842338494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160921 (or 160915 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 842338494 is about 29023.0683078134. The cubic root of 842338494 is about 944.4135640940.

The spelling of 842338494 in words is "eight hundred forty-two million, three hundred thirty-eight thousand, four hundred ninety-four".