842494 has 8 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 419136.

The previous prime is 842489. The next prime is 842497. The reversal of 842494 is 494248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×842494² = 1419592280072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2⁸⁴²⁴⁹⁴ is an apocalyptic number.

842494 is a deficient number, since it is larger than the sum of its proper divisors (427586).

842494 is a wasteful number, since it uses less digits than its factorization.

842494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114.

The product of its digits is 9216, while the sum is 31.

The square root of 842494 is about 917.8747191202. The cubic root of 842494 is about 94.4471677287.

The spelling of 842494 in words is "eight hundred forty-two thousand, four hundred ninety-four".