282894840 has 96 divisors (see below), whose sum is σ = 949104000. Its totient is φ = 73002240.

The previous prime is 282894823. The next prime is 282894847. The reversal of 282894840 is 48498282.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282894847) 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, 1515 + ... + 23834.

It is an arithmetic number, because the mean of its divisors is an integer number (9886500).

Almost surely, 2^282894840 is an apocalyptic number.

282894840 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 282894840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474552000).

282894840 is an abundant number, since it is smaller than the sum of its proper divisors (666209160).

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

282894840 is a wasteful number, since it uses less digits than its factorization.

282894840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25397 (or 25390 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 282894840 is about 16819.4779942779. The cubic root of 282894840 is about 656.4601112250.

The spelling of 282894840 in words is "two hundred eighty-two million, eight hundred ninety-four thousand, eight hundred forty".