983897280 has 168 divisors, whose sum is σ = 3509814672. Its totient is φ = 262351872.

The previous prime is 983897269. The next prime is 983897347. The reversal of 983897280 is 82798389.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71434 + ... + 84086.

It is an arithmetic number, because the mean of its divisors is an integer number (20891754).

Almost surely, 2^983897280 is an apocalyptic number.

983897280 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 983897280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1754907336).

983897280 is an abundant number, since it is smaller than the sum of its proper divisors (2525917392).

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

983897280 is a wasteful number, since it uses less digits than its factorization.

983897280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12685 (or 12663 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 983897280 is about 31367.1369429854. The cubic root of 983897280 is about 994.6033552827.

The spelling of 983897280 in words is "nine hundred eighty-three million, eight hundred ninety-seven thousand, two hundred eighty".