988137 has 6 divisors (see below), whose sum is σ = 1427322. Its totient is φ = 658752.

The previous prime is 988129. The next prime is 988147. The reversal of 988137 is 731889.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 19881 = 984^2 + 141^2 .

It is not a de Polignac number, because 988137 - 2³ = 988129 is a prime.

988137 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (988147) 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, 54888 + ... + 54905.

It is an arithmetic number, because the mean of its divisors is an integer number (237887).

2⁹⁸⁸¹³⁷ is an apocalyptic number.

It is an amenable number.

988137 is a deficient number, since it is larger than the sum of its proper divisors (439185).

988137 is a wasteful number, since it uses less digits than its factorization.

988137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109799 (or 109796 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 988137 is about 994.0508035307. The cubic root of 988137 is about 99.6029926037.

The spelling of 988137 in words is "nine hundred eighty-eight thousand, one hundred thirty-seven".