283256490 has 64 divisors (see below), whose sum is σ = 749347200. Its totient is φ = 67952640.

The previous prime is 283256429. The next prime is 283256513. The reversal of 283256490 is 94652382.

It is a happy 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, 27586 + ... + 36434.

It is an arithmetic number, because the mean of its divisors is an integer number (11708550).

Almost surely, 2^283256490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283256490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374673600).

283256490 is an abundant number, since it is smaller than the sum of its proper divisors (466090710).

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

283256490 is a wasteful number, since it uses less digits than its factorization.

283256490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 283256490 is about 16830.2254886855. The cubic root of 283256490 is about 656.7397295029.

The spelling of 283256490 in words is "two hundred eighty-three million, two hundred fifty-six thousand, four hundred ninety".