836942 has 4 divisors (see below), whose sum is σ = 1255416. Its totient is φ = 418470.

The previous prime is 836939. The next prime is 836951. The reversal of 836942 is 249638.

836942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249638 = 2 ⋅124819.

It is a super-2 number, since 2×836942² = 1400943822728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 836899 and 836908.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 836942.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209234 + ... + 209237.

It is an arithmetic number, because the mean of its divisors is an integer number (313854).

2⁸³⁶⁹⁴² is an apocalyptic number.

836942 is a deficient number, since it is larger than the sum of its proper divisors (418474).

836942 is a wasteful number, since it uses less digits than its factorization.

836942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418473.

The product of its digits is 10368, while the sum is 32.

The square root of 836942 is about 914.8453421207. The cubic root of 836942 is about 94.2392426985.

The spelling of 836942 in words is "eight hundred thirty-six thousand, nine hundred forty-two".