989235 has 48 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 456192.

The previous prime is 989231. The next prime is 989239. The reversal of 989235 is 532989.

989235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (989231) and next prime (989239).

It is not a de Polignac number, because 989235 - 2² = 989231 is a prime.

989235 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 989235.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989235.

It is not an unprimeable number, because it can be changed into a prime (989231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11071 + ... + 11159.

It is an arithmetic number, because the mean of its divisors is an integer number (40950).

2⁹⁸⁹²³⁵ is an apocalyptic number.

989235 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

989235 is a deficient number, since it is larger than the sum of its proper divisors (976365).

989235 is a wasteful number, since it uses less digits than its factorization.

989235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 129 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 989235 is about 994.6029358493. The cubic root of 989235 is about 99.6398712967.

The spelling of 989235 in words is "nine hundred eighty-nine thousand, two hundred thirty-five".