983404240 has 120 divisors (see below), whose sum is σ = 2829783168. Its totient is φ = 311201280.

The previous prime is 983404237. The next prime is 983404249. The reversal of 983404240 is 42404389.

It is a junction number, because it is equal to n+sod(n) for n = 983404196 and 983404205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983404249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89445 + ... + 99835.

Almost surely, 2^983404240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 983404240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414891584).

983404240 is an abundant number, since it is smaller than the sum of its proper divisors (1846378928).

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

983404240 is a wasteful number, since it uses less digits than its factorization.

983404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10437 (or 10418 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 983404240 is about 31359.2767773748. The cubic root of 983404240 is about 994.4371925533.

The spelling of 983404240 in words is "nine hundred eighty-three million, four hundred four thousand, two hundred forty".