989115 has 32 divisors (see below), whose sum is σ = 1714176. Its totient is φ = 485760.

The previous prime is 989099. The next prime is 989119. The reversal of 989115 is 511989.

It is not a de Polignac number, because 989115 - 2⁴ = 989099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (989119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16185 + ... + 16245.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2⁹⁸⁹¹¹⁵ is an apocalyptic number.

989115 is a deficient number, since it is larger than the sum of its proper divisors (725061).

989115 is a wasteful number, since it uses less digits than its factorization.

989115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139.

The product of its digits is 3240, while the sum is 33.

The square root of 989115 is about 994.5426084387. The cubic root of 989115 is about 99.6358421671.

The spelling of 989115 in words is "nine hundred eighty-nine thousand, one hundred fifteen".