842015 has 8 divisors (see below), whose sum is σ = 1045440. Its totient is φ = 650272.

The previous prime is 842003. The next prime is 842021. The reversal of 842015 is 510248.

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

It is a cyclic number.

It is not a de Polignac number, because 842015 - 2¹⁰ = 840991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

2⁸⁴²⁰¹⁵ is an apocalyptic number.

842015 is a deficient number, since it is larger than the sum of its proper divisors (203425).

842015 is a wasteful number, since it uses less digits than its factorization.

842015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 842015 is about 917.6137531663. The cubic root of 842015 is about 94.4292650217.

The spelling of 842015 in words is "eight hundred forty-two thousand, fifteen".