286811040 has 48 divisors (see below), whose sum is σ = 903456288. Its totient is φ = 76482816.

The previous prime is 286811033. The next prime is 286811059. The reversal of 286811040 is 40118682.

286811040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 286810989 and 286811007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298282 + ... + 299241.

It is an arithmetic number, because the mean of its divisors is an integer number (18822006).

Almost surely, 2^286811040 is an apocalyptic number.

286811040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

286811040 is an abundant number, since it is smaller than the sum of its proper divisors (616645248).

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

286811040 is a wasteful number, since it uses less digits than its factorization.

286811040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597541 (or 597533 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 286811040 is about 16935.4964497649. The cubic root of 286811040 is about 659.4754325879.

The spelling of 286811040 in words is "two hundred eighty-six million, eight hundred eleven thousand, forty".