286990044 has 48 divisors (see below), whose sum is σ = 762289920. Its totient is φ = 83184640.

The previous prime is 286990043. The next prime is 286990057. The reversal of 286990044 is 440099682.

It is a junction number, because it is equal to n+sod(n) for n = 286989978 and 286990005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286990043) 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, 44229 + ... + 50300.

It is an arithmetic number, because the mean of its divisors is an integer number (15881040).

Almost surely, 2^286990044 is an apocalyptic number.

It is an amenable number.

286990044 is an abundant number, since it is smaller than the sum of its proper divisors (475299876).

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

286990044 is a wasteful number, since it uses less digits than its factorization.

286990044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94570 (or 94568 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 286990044 is about 16940.7805014999. The cubic root of 286990044 is about 659.6126009364.

The spelling of 286990044 in words is "two hundred eighty-six million, nine hundred ninety thousand, forty-four".