920633 has 4 divisors (see below), whose sum is σ = 1052160. Its totient is φ = 789108.

The previous prime is 920609. The next prime is 920641. The reversal of 920633 is 336029.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 920633 - 2⁸ = 920377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 920599 and 920608.

It is not an unprimeable number, because it can be changed into a prime (920653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65753 + ... + 65766.

It is an arithmetic number, because the mean of its divisors is an integer number (263040).

2⁹²⁰⁶³³ is an apocalyptic number.

It is an amenable number.

920633 is a deficient number, since it is larger than the sum of its proper divisors (131527).

920633 is a wasteful number, since it uses less digits than its factorization.

920633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131526.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 920633 is about 959.4962219832. The cubic root of 920633 is about 97.2811836213.

The spelling of 920633 in words is "nine hundred twenty thousand, six hundred thirty-three".