983731320 has 384 divisors, whose sum is σ = 3814050240. Its totient is φ = 216760320.

The previous prime is 983731313. The next prime is 983731349. The reversal of 983731320 is 23137389.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4993462 + ... + 4993658.

Almost surely, 2^983731320 is an apocalyptic number.

983731320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 983731320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1907025120).

983731320 is an abundant number, since it is smaller than the sum of its proper divisors (2830318920).

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

983731320 is a wasteful number, since it uses less digits than its factorization.

983731320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 983731320 is about 31364.4913875548. The cubic root of 983731320 is about 994.5474301850.

The spelling of 983731320 in words is "nine hundred eighty-three million, seven hundred thirty-one thousand, three hundred twenty".