920481 has 4 divisors (see below), whose sum is σ = 1227312. Its totient is φ = 613652.

The previous prime is 920477. The next prime is 920497. The reversal of 920481 is 184029.

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, and also an emirpimes, since its reverse is a distinct semiprime: 184029 = 3 ⋅61343.

It is a cyclic number.

It is not a de Polignac number, because 920481 - 2² = 920477 is a prime.

It is a super-2 number, since 2×920481² = 1694570542722, which contains 22 as substring.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920481.

It is not an unprimeable number, because it can be changed into a prime (920411) 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, 153411 + ... + 153416.

It is an arithmetic number, because the mean of its divisors is an integer number (306828).

2⁹²⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

920481 is a deficient number, since it is larger than the sum of its proper divisors (306831).

920481 is a wasteful number, since it uses less digits than its factorization.

920481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306830.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 920481 is about 959.4170104808. The cubic root of 920481 is about 97.2758294958.

The spelling of 920481 in words is "nine hundred twenty thousand, four hundred eighty-one".