286942944 has 48 divisors (see below), whose sum is σ = 777530880. Its totient is φ = 92561280.

The previous prime is 286942897. The next prime is 286942961. The reversal of 286942944 is 449249682.

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

It is a super-2 number, since 2×286942944² = 164672506222774272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 286942893 and 286942902.

It is a congruent number.

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, 45234 + ... + 51185.

It is an arithmetic number, because the mean of its divisors is an integer number (16198560).

Almost surely, 2^286942944 is an apocalyptic number.

286942944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

286942944 is an abundant number, since it is smaller than the sum of its proper divisors (490587936).

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

286942944 is a wasteful number, since it uses less digits than its factorization.

286942944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96463 (or 96455 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 286942944 is about 16939.3903078003. The cubic root of 286942944 is about 659.5765143730.

The spelling of 286942944 in words is "two hundred eighty-six million, nine hundred forty-two thousand, nine hundred forty-four".