286696213 has 4 divisors (see below), whose sum is σ = 286730080. Its totient is φ = 286662348.

The previous prime is 286696199. The next prime is 286696229. The reversal of 286696213 is 312696682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 286696213 - 2⁵ = 286696181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 286696213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286696913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206 + ... + 25312.

It is an arithmetic number, because the mean of its divisors is an integer number (71682520).

Almost surely, 2^286696213 is an apocalyptic number.

It is an amenable number.

286696213 is a deficient number, since it is larger than the sum of its proper divisors (33867).

286696213 is a wasteful number, since it uses less digits than its factorization.

286696213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33866.

The product of its digits is 186624, while the sum is 43.

The square root of 286696213 is about 16932.1059824229. The cubic root of 286696213 is about 659.3874121575.

The spelling of 286696213 in words is "two hundred eighty-six million, six hundred ninety-six thousand, two hundred thirteen".