286945966 has 16 divisors (see below), whose sum is σ = 444559104. Its totient is φ = 138822264.

The previous prime is 286945909. The next prime is 286945979. The reversal of 286945966 is 669549682.

It is a happy number.

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, 6390 + ... + 24793.

It is an arithmetic number, because the mean of its divisors is an integer number (27784944).

Almost surely, 2^286945966 is an apocalyptic number.

286945966 is a deficient number, since it is larger than the sum of its proper divisors (157613138).

286945966 is a wasteful number, since it uses less digits than its factorization.

286945966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31335.

The product of its digits is 5598720, while the sum is 55.

The square root of 286945966 is about 16939.4795079424. The cubic root of 286945966 is about 659.5788298545.

The spelling of 286945966 in words is "two hundred eighty-six million, nine hundred forty-five thousand, nine hundred sixty-six".