989475 has 24 divisors (see below), whose sum is σ = 1666560. Its totient is φ = 517920.

The previous prime is 989467. The next prime is 989477. The reversal of 989475 is 574989.

989475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 989475 - 2³ = 989467 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989475.

It is not an unprimeable number, because it can be changed into a prime (989477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5842 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (69440).

2⁹⁸⁹⁴⁷⁵ is an apocalyptic number.

989475 is a deficient number, since it is larger than the sum of its proper divisors (677085).

989475 is a wasteful number, since it uses less digits than its factorization.

989475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 254 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 989475 is about 994.7235796944. The cubic root of 989475 is about 99.6479285785.

The spelling of 989475 in words is "nine hundred eighty-nine thousand, four hundred seventy-five".