988497 has 16 divisors (see below), whose sum is σ = 1512960. Its totient is φ = 637200.

The previous prime is 988489. The next prime is 988501. The reversal of 988497 is 794889.

988497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 988497 - 2³ = 988489 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988497.

It is not an unprimeable number, because it can be changed into a prime (988417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (94560).

2⁹⁸⁸⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

988497 is a deficient number, since it is larger than the sum of its proper divisors (524463).

988497 is a wasteful number, since it uses less digits than its factorization.

988497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1215 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 988497 is about 994.2318643053. The cubic root of 988497 is about 99.6150869873.

It can be divided in two parts, 988 and 497, that added together give a triangular number (1485 = T₅₄).

The spelling of 988497 in words is "nine hundred eighty-eight thousand, four hundred ninety-seven".