989075 has 6 divisors (see below), whose sum is σ = 1226484. Its totient is φ = 791240.

The previous prime is 989071. The next prime is 989081. The reversal of 989075 is 570989.

It is not a de Polignac number, because 989075 - 2² = 989071 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19757 + ... + 19806.

It is an arithmetic number, because the mean of its divisors is an integer number (204414).

2⁹⁸⁹⁰⁷⁵ is an apocalyptic number.

989075 is a deficient number, since it is larger than the sum of its proper divisors (237409).

989075 is a wasteful number, since it uses less digits than its factorization.

989075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39573 (or 39568 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 989075 is about 994.5224984886. The cubic root of 989075 is about 99.6344990515.

The spelling of 989075 in words is "nine hundred eighty-nine thousand, seventy-five".