920280 has 32 divisors (see below), whose sum is σ = 2761200. Its totient is φ = 245376.

The previous prime is 920279. The next prime is 920281. The reversal of 920280 is 82029.

It is an interprime number because it is at equal distance from previous prime (920279) and next prime (920281).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920280.

It is not an unprimeable number, because it can be changed into a prime (920281) 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, 3715 + ... + 3954.

2⁹²⁰²⁸⁰ is an apocalyptic number.

It is an amenable number.

920280 is an abundant number, since it is smaller than the sum of its proper divisors (1840920).

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

920280 is a wasteful number, since it uses less digits than its factorization.

920280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7683 (or 7679 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 920280 is about 959.3122536484. The cubic root of 920280 is about 97.2687484642.

The spelling of 920280 in words is "nine hundred twenty thousand, two hundred eighty".