283870488 has 128 divisors (see below), whose sum is σ = 863136000. Its totient is φ = 76677120.

The previous prime is 283870453. The next prime is 283870493. The reversal of 283870488 is 884078382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83608 + ... + 86936.

It is an arithmetic number, because the mean of its divisors is an integer number (6743250).

Almost surely, 2^283870488 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 283870488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431568000).

283870488 is an abundant number, since it is smaller than the sum of its proper divisors (579265512).

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

283870488 is a wasteful number, since it uses less digits than its factorization.

283870488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 283870488 is about 16848.4565465208. The cubic root of 283870488 is about 657.2139120755.

The spelling of 283870488 in words is "two hundred eighty-three million, eight hundred seventy thousand, four hundred eighty-eight".