283989904 has 45 divisors (see below), whose sum is σ = 606381979. Its totient is φ = 128749280.

The previous prime is 283989889. The next prime is 283989917. The reversal of 283989904 is 409989382.

The square root of 283989904 is 16852.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 741297 + ... + 741679.

Almost surely, 2^283989904 is an apocalyptic number.

283989904 is the 16852-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283989904

283989904 is an abundant number, since it is smaller than the sum of its proper divisors (322392075).

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

283989904 is an equidigital number, since it uses as much as digits as its factorization.

283989904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The cubic root of 283989904 is about 657.3060560372.

The spelling of 283989904 in words is "two hundred eighty-three million, nine hundred eighty-nine thousand, nine hundred four".