839145 has 16 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 436800.

The previous prime is 839131. The next prime is 839161. The reversal of 839145 is 541938.

It is not a de Polignac number, because 839145 - 2⁸ = 838889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2⁸³⁹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

839145 is a deficient number, since it is larger than the sum of its proper divisors (535767).

839145 is a wasteful number, since it uses less digits than its factorization.

839145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its digits is 4320, while the sum is 30.

The square root of 839145 is about 916.0485794978. The cubic root of 839145 is about 94.3218558152.

The spelling of 839145 in words is "eight hundred thirty-nine thousand, one hundred forty-five".