214491286 has 4 divisors (see below), whose sum is σ = 321736932. Its totient is φ = 107245642.

The previous prime is 214491283. The next prime is 214491287. The reversal of 214491286 is 682194412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214491283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53622820 + ... + 53622823.

It is an arithmetic number, because the mean of its divisors is an integer number (80434233).

Almost surely, 2^214491286 is an apocalyptic number.

214491286 is a deficient number, since it is larger than the sum of its proper divisors (107245646).

214491286 is a wasteful number, since it uses less digits than its factorization.

214491286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107245645.

The product of its digits is 27648, while the sum is 37.

The square root of 214491286 is about 14645.5210218005. The cubic root of 214491286 is about 598.5997774291.

It can be divided in two parts, 214491 and 286, that multiplied together give a triangular number (61344426 = T₁₁₀₇₆).

The spelling of 214491286 in words is "two hundred fourteen million, four hundred ninety-one thousand, two hundred eighty-six".