28613214 has 24 divisors (see below), whose sum is σ = 70852080. Its totient is φ = 8175168.

The previous prime is 28613201. The next prime is 28613237. The reversal of 28613214 is 41231682.

28613214 is a `hidden beast` number, since 28 + 613 + 21 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113419 + ... + 113670.

It is an arithmetic number, because the mean of its divisors is an integer number (2952170).

Almost surely, 2^28613214 is an apocalyptic number.

28613214 is an abundant number, since it is smaller than the sum of its proper divisors (42238866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28613214 is a wasteful number, since it uses less digits than its factorization.

28613214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227104 (or 227101 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 28613214 is about 5349.1320791321. The cubic root of 28613214 is about 305.8596690903.

Adding to 28613214 its reverse (41231682), we get a palindrome (69844896).

It can be divided in two parts, 286132 and 14, that added together give a triangular number (286146 = T₇₅₆).

The spelling of 28613214 in words is "twenty-eight million, six hundred thirteen thousand, two hundred fourteen".