988515 has 24 divisors (see below), whose sum is σ = 1870128. Its totient is φ = 479040.

The previous prime is 988511. The next prime is 988541. The reversal of 988515 is 515889.

It is not a de Polignac number, because 988515 - 2² = 988511 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 988515.

It is not an unprimeable number, because it can be changed into a prime (988511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504 + ... + 1493.

It is an arithmetic number, because the mean of its divisors is an integer number (77922).

2⁹⁸⁸⁵¹⁵ is an apocalyptic number.

988515 is a deficient number, since it is larger than the sum of its proper divisors (881613).

988515 is a wasteful number, since it uses less digits than its factorization.

988515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2016 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 988515 is about 994.2409164785. The cubic root of 988515 is about 99.6156916294.

The spelling of 988515 in words is "nine hundred eighty-eight thousand, five hundred fifteen".