283381812 has 36 divisors (see below), whose sum is σ = 818659296. Its totient is φ = 80966160.

The previous prime is 283381811. The next prime is 283381829. The reversal of 283381812 is 218183382.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283381811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562014 + ... + 562517.

It is an arithmetic number, because the mean of its divisors is an integer number (22740536).

Almost surely, 2^283381812 is an apocalyptic number.

It is an amenable number.

283381812 is an abundant number, since it is smaller than the sum of its proper divisors (535277484).

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

283381812 is a wasteful number, since it uses less digits than its factorization.

283381812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124548 (or 1124543 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 283381812 is about 16833.9481999916. The cubic root of 283381812 is about 656.8365696511.

The spelling of 283381812 in words is "two hundred eighty-three million, three hundred eighty-one thousand, eight hundred twelve".