920835 has 32 divisors (see below), whose sum is σ = 1728000. Its totient is φ = 463968.

The previous prime is 920833. The next prime is 920849. The reversal of 920835 is 538029.

It is not a de Polignac number, because 920835 - 2¹ = 920833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 920799 and 920808.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920835.

It is not an unprimeable number, because it can be changed into a prime (920833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2386 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2⁹²⁰⁸³⁵ is an apocalyptic number.

920835 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

920835 is a deficient number, since it is larger than the sum of its proper divisors (807165).

920835 is a wasteful number, since it uses less digits than its factorization.

920835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 920835 is about 959.6014797821. The cubic root of 920835 is about 97.2882980603.

The spelling of 920835 in words is "nine hundred twenty thousand, eight hundred thirty-five".