923280 has 40 divisors (see below), whose sum is σ = 2862912. Its totient is φ = 246144.

The previous prime is 923249. The next prime is 923309. The reversal of 923280 is 82329.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 923280.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 923280.

It is an unprimeable number.

923280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684 + ... + 2163.

2⁹²³²⁸⁰ is an apocalyptic number.

It is an amenable number.

923280 is an abundant number, since it is smaller than the sum of its proper divisors (1939632).

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

923280 is a wasteful number, since it uses less digits than its factorization.

923280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863 (or 3857 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 923280 is about 960.8746016000. The cubic root of 923280 is about 97.3743285537.

The spelling of 923280 in words is "nine hundred twenty-three thousand, two hundred eighty".