283904313 has 16 divisors (see below), whose sum is σ = 471945216. Its totient is φ = 147482640.

The previous prime is 283904273. The next prime is 283904321. The reversal of 283904313 is 313409382.

It is a happy number.

It is not a de Polignac number, because 283904313 - 2¹⁰ = 283903289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (283904323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614281 + ... + 614742.

It is an arithmetic number, because the mean of its divisors is an integer number (29496576).

Almost surely, 2^283904313 is an apocalyptic number.

It is an amenable number.

283904313 is a deficient number, since it is larger than the sum of its proper divisors (188040903).

283904313 is a wasteful number, since it uses less digits than its factorization.

283904313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229044.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 283904313 is about 16849.4603177669. The cubic root of 283904313 is about 657.2400147980.

The spelling of 283904313 in words is "two hundred eighty-three million, nine hundred four thousand, three hundred thirteen".