988142397 has 16 divisors (see below), whose sum is σ = 1438876992. Its totient is φ = 598216320.

The previous prime is 988142383. The next prime is 988142447. The reversal of 988142397 is 793241889.

It is not a de Polignac number, because 988142397 - 2¹⁰ = 988141373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988142297) 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, 14943 + ... + 46899.

It is an arithmetic number, because the mean of its divisors is an integer number (89929812).

Almost surely, 2^988142397 is an apocalyptic number.

It is an amenable number.

988142397 is a deficient number, since it is larger than the sum of its proper divisors (450734595).

988142397 is a wasteful number, since it uses less digits than its factorization.

988142397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32908.

The product of its digits is 870912, while the sum is 51.

The square root of 988142397 is about 31434.7323354280. The cubic root of 988142397 is about 996.0317394040.

The spelling of 988142397 in words is "nine hundred eighty-eight million, one hundred forty-two thousand, three hundred ninety-seven".