842913 has 8 divisors (see below), whose sum is σ = 1248800. Its totient is φ = 561924.

The previous prime is 842887. The next prime is 842923. The reversal of 842913 is 319248.

842913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 842913 - 2⁸ = 842657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 31219 = 842913 / (8 + 4 + 2 + 9 + 1 + 3).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15583 + ... + 15636.

It is an arithmetic number, because the mean of its divisors is an integer number (156100).

2⁸⁴²⁹¹³ is an apocalyptic number.

It is an amenable number.

842913 is a deficient number, since it is larger than the sum of its proper divisors (405887).

842913 is a wasteful number, since it uses less digits than its factorization.

842913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31228 (or 31222 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 842913 is about 918.1029354054. The cubic root of 842913 is about 94.4628223624.

The spelling of 842913 in words is "eight hundred forty-two thousand, nine hundred thirteen".