920634 has 64 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 241920.

The previous prime is 920609. The next prime is 920641. The reversal of 920634 is 436029.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920634.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24864 + ... + 24900.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2⁹²⁰⁶³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149120).

920634 is an abundant number, since it is smaller than the sum of its proper divisors (1377606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920634 is a wasteful number, since it uses less digits than its factorization.

920634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 920634 is about 959.4967430898. The cubic root of 920634 is about 97.2812188438.

The spelling of 920634 in words is "nine hundred twenty thousand, six hundred thirty-four".