920842 has 16 divisors (see below), whose sum is σ = 1505952. Its totient is φ = 419760.

The previous prime is 920833. The next prime is 920849. The reversal of 920842 is 248029.

It is not an unprimeable number, because it can be changed into a prime (920849) 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, 2617 + ... + 2947.

It is an arithmetic number, because the mean of its divisors is an integer number (94122).

2⁹²⁰⁸⁴² is an apocalyptic number.

920842 is a deficient number, since it is larger than the sum of its proper divisors (585110).

920842 is a wasteful number, since it uses less digits than its factorization.

920842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 920842 is about 959.6051271226. The cubic root of 920842 is about 97.2885445816.

It can be divided in two parts, 9 and 20842, that multiplied together give a triangular number (187578 = T₆₁₂).

The spelling of 920842 in words is "nine hundred twenty thousand, eight hundred forty-two".