989083398 has 32 divisors (see below), whose sum is σ = 2065718016. Its totient is φ = 315124128.

The previous prime is 989083393. The next prime is 989083451. The reversal of 989083398 is 893380989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989083393) 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, 351465 + ... + 354267.

It is an arithmetic number, because the mean of its divisors is an integer number (64553688).

Almost surely, 2^989083398 is an apocalyptic number.

989083398 is an abundant number, since it is smaller than the sum of its proper divisors (1076634618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989083398 is a wasteful number, since it uses less digits than its factorization.

989083398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The square root of 989083398 is about 31449.6963101395. The cubic root of 989083398 is about 996.3478104161.

The spelling of 989083398 in words is "nine hundred eighty-nine million, eighty-three thousand, three hundred ninety-eight".