283879400 has 144 divisors (see below), whose sum is σ = 783119520. Its totient is φ = 93744000.

The previous prime is 283879397. The next prime is 283879403. The reversal of 283879400 is 4978382.

It is an interprime number because it is at equal distance from previous prime (283879397) and next prime (283879403).

It is not an unprimeable number, because it can be changed into a prime (283879403) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1345295 + ... + 1345505.

It is an arithmetic number, because the mean of its divisors is an integer number (5438330).

Almost surely, 2^283879400 is an apocalyptic number.

283879400 is a gapful number since it is divisible by the number (20) 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 283879400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391559760).

283879400 is an abundant number, since it is smaller than the sum of its proper divisors (499240120).

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

283879400 is a wasteful number, since it uses less digits than its factorization.

283879400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 283879400 is about 16848.7210197095. The cubic root of 283879400 is about 657.2207896592.

The spelling of 283879400 in words is "two hundred eighty-three million, eight hundred seventy-nine thousand, four hundred".