286438214 has 4 divisors (see below), whose sum is σ = 429657324. Its totient is φ = 143219106.

The previous prime is 286438169. The next prime is 286438241. The reversal of 286438214 is 412834682.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71609552 + ... + 71609555.

It is an arithmetic number, because the mean of its divisors is an integer number (107414331).

Almost surely, 2^286438214 is an apocalyptic number.

286438214 is a deficient number, since it is larger than the sum of its proper divisors (143219110).

286438214 is a wasteful number, since it uses less digits than its factorization.

286438214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143219109.

The product of its digits is 73728, while the sum is 38.

The square root of 286438214 is about 16924.4856347246. The cubic root of 286438214 is about 659.1895577252.

The spelling of 286438214 in words is "two hundred eighty-six million, four hundred thirty-eight thousand, two hundred fourteen".