842936 has 8 divisors (see below), whose sum is σ = 1580520. Its totient is φ = 421464.

The previous prime is 842923. The next prime is 842939. The reversal of 842936 is 639248.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×842936² = 1421082200192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842939) by changing a digit.

842936 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52676 + ... + 52691.

It is an arithmetic number, because the mean of its divisors is an integer number (197565).

2⁸⁴²⁹³⁶ is an apocalyptic number.

It is an amenable number.

842936 is a deficient number, since it is larger than the sum of its proper divisors (737584).

842936 is a wasteful number, since it uses less digits than its factorization.

842936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105373 (or 105369 counting only the distinct ones).

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

The square root of 842936 is about 918.1154611485. The cubic root of 842936 is about 94.4636815357.

The spelling of 842936 in words is "eight hundred forty-two thousand, nine hundred thirty-six".