981475 has 24 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 688800.

The previous prime is 981473. The next prime is 981481. The reversal of 981475 is 574189.

It is a happy number.

It is not a de Polignac number, because 981475 - 2¹ = 981473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 981475.

It is not an unprimeable number, because it can be changed into a prime (981473) 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, 11784 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (57288).

2⁹⁸¹⁴⁷⁵ is an apocalyptic number.

981475 is a deficient number, since it is larger than the sum of its proper divisors (393437).

981475 is a wasteful number, since it uses less digits than its factorization.

981475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 142 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 981475 is about 990.6942010530. The cubic root of 981475 is about 99.3786472034.

It can be divided in two parts, 9814 and 75, that added together give a palindrome (9889).

The spelling of 981475 in words is "nine hundred eighty-one thousand, four hundred seventy-five".