214286939 has 4 divisors (see below), whose sum is σ = 214316256. Its totient is φ = 214257624.

The previous prime is 214286927. The next prime is 214286957. The reversal of 214286939 is 939682412.

214286939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214286939 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 214286939.

It is not an unprimeable number, because it can be changed into a prime (214286909) 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, 6197 + ... + 21609.

It is an arithmetic number, because the mean of its divisors is an integer number (53579064).

Almost surely, 2^214286939 is an apocalyptic number.

214286939 is a deficient number, since it is larger than the sum of its proper divisors (29317).

214286939 is a wasteful number, since it uses less digits than its factorization.

214286939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29316.

The product of its digits is 186624, while the sum is 44.

The square root of 214286939 is about 14638.5429261249. The cubic root of 214286939 is about 598.4096206210.

The spelling of 214286939 in words is "two hundred fourteen million, two hundred eighty-six thousand, nine hundred thirty-nine".