282990864 has 80 divisors (see below), whose sum is σ = 828766400. Its totient is φ = 82487808.

The previous prime is 282990853. The next prime is 282990871. The reversal of 282990864 is 468099282.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79 + ... + 23790.

It is an arithmetic number, because the mean of its divisors is an integer number (10359580).

Almost surely, 2^282990864 is an apocalyptic number.

282990864 is a gapful number since it is divisible by the number (24) 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 282990864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414383200).

282990864 is an abundant number, since it is smaller than the sum of its proper divisors (545775536).

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

282990864 is a wasteful number, since it uses less digits than its factorization.

282990864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23912 (or 23906 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 282990864 is about 16822.3322996545. The cubic root of 282990864 is about 656.5343776849.

The spelling of 282990864 in words is "two hundred eighty-two million, nine hundred ninety thousand, eight hundred sixty-four".