988598 has 16 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 446016.

The previous prime is 988591. The next prime is 988607. The reversal of 988598 is 895889.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988598.

It is not an unprimeable number, because it can be changed into a prime (988591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2⁹⁸⁸⁵⁹⁸ is an apocalyptic number.

988598 is a deficient number, since it is larger than the sum of its proper divisors (644362).

988598 is a wasteful number, since it uses less digits than its factorization.

988598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its digits is 207360, while the sum is 47.

The square root of 988598 is about 994.2826559887. The cubic root of 988598 is about 99.6184796063.

The spelling of 988598 in words is "nine hundred eighty-eight thousand, five hundred ninety-eight".