286938 has 24 divisors (see below), whose sum is σ = 655200. Its totient is φ = 90504.

The previous prime is 286927. The next prime is 286973. The reversal of 286938 is 839682.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78 + ... + 761.

It is an arithmetic number, because the mean of its divisors is an integer number (27300).

2²⁸⁶⁹³⁸ is an apocalyptic number.

286938 is an abundant number, since it is smaller than the sum of its proper divisors (368262).

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

286938 is a wasteful number, since it uses less digits than its factorization.

286938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 863 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 286938 is about 535.6659406757. The cubic root of 286938 is about 65.9572726204.

The spelling of 286938 in words is "two hundred eighty-six thousand, nine hundred thirty-eight".