283272870 has 128 divisors (see below), whose sum is σ = 755827200. Its totient is φ = 67622912.

The previous prime is 283272859. The next prime is 283272943. The reversal of 283272870 is 78272382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1582441 + ... + 1582619.

It is an arithmetic number, because the mean of its divisors is an integer number (5904900).

Almost surely, 2^283272870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283272870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377913600).

283272870 is an abundant number, since it is smaller than the sum of its proper divisors (472554330).

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

283272870 is a wasteful number, since it uses less digits than its factorization.

283272870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 283272870 is about 16830.7121061469. The cubic root of 283272870 is about 656.7523884532.

The spelling of 283272870 in words is "two hundred eighty-three million, two hundred seventy-two thousand, eight hundred seventy".