983451040 has 192 divisors, whose sum is σ = 2784523392. Its totient is φ = 323481600.

The previous prime is 983451031. The next prime is 983451047. The reversal of 983451040 is 40154389.

It is a junction number, because it is equal to n+sod(n) for n = 983450987 and 983451005.

It is not an unprimeable number, because it can be changed into a prime (983451047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212235 + ... + 1213045.

It is an arithmetic number, because the mean of its divisors is an integer number (14502726).

Almost surely, 2^983451040 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 983451040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392261696).

983451040 is an abundant number, since it is smaller than the sum of its proper divisors (1801072352).

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

983451040 is a wasteful number, since it uses less digits than its factorization.

983451040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 983451040 is about 31360.0229591753. The cubic root of 983451040 is about 994.4529673217.

The spelling of 983451040 in words is "nine hundred eighty-three million, four hundred fifty-one thousand, forty".