988438285 has 16 divisors (see below), whose sum is σ = 1207140480. Its totient is φ = 776848320.

The previous prime is 988438277. The next prime is 988438289. The reversal of 988438285 is 582834889.

It is a happy number.

It is not a de Polignac number, because 988438285 - 2³ = 988438277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988438289) 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, 68536 + ... + 81694.

It is an arithmetic number, because the mean of its divisors is an integer number (75446280).

Almost surely, 2^988438285 is an apocalyptic number.

It is an amenable number.

988438285 is a deficient number, since it is larger than the sum of its proper divisors (218702195).

988438285 is a wasteful number, since it uses less digits than its factorization.

988438285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13428.

The product of its digits is 4423680, while the sum is 55.

The square root of 988438285 is about 31439.4383696656. The cubic root of 988438285 is about 996.1311462739.

The spelling of 988438285 in words is "nine hundred eighty-eight million, four hundred thirty-eight thousand, two hundred eighty-five".