286663401 has 16 divisors (see below), whose sum is σ = 449668800. Its totient is φ = 179866944.

The previous prime is 286663381. The next prime is 286663439. The reversal of 286663401 is 104366682.

It is not a de Polignac number, because 286663401 - 2⁶ = 286663337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (286663441) 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, 311811 + ... + 312728.

It is an arithmetic number, because the mean of its divisors is an integer number (28104300).

Almost surely, 2^286663401 is an apocalyptic number.

It is an amenable number.

286663401 is a deficient number, since it is larger than the sum of its proper divisors (163005399).

286663401 is a wasteful number, since it uses less digits than its factorization.

286663401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624565 (or 624559 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 286663401 is about 16931.1370262012. The cubic root of 286663401 is about 659.3622558605.

The spelling of 286663401 in words is "two hundred eighty-six million, six hundred sixty-three thousand, four hundred one".