920475 has 18 divisors (see below), whose sum is σ = 1649076. Its totient is φ = 490800.

The previous prime is 920473. The next prime is 920477. The reversal of 920475 is 574029.

It is an interprime number because it is at equal distance from previous prime (920473) and next prime (920477).

It is not a de Polignac number, because 920475 - 2¹ = 920473 is a prime.

920475 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920475.

It is not an unprimeable number, because it can be changed into a prime (920473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1821 + ... + 2270.

2⁹²⁰⁴⁷⁵ is an apocalyptic number.

920475 is a deficient number, since it is larger than the sum of its proper divisors (728601).

920475 is a wasteful number, since it uses less digits than its factorization.

920475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4099 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 920475 is about 959.4138835768. The cubic root of 920475 is about 97.2756181367.

The spelling of 920475 in words is "nine hundred twenty thousand, four hundred seventy-five".