28314146 has 16 divisors (see below), whose sum is σ = 51394176. Its totient is φ = 11420736.

The previous prime is 28314119. The next prime is 28314151. The reversal of 28314146 is 64141382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59246 + ... + 59721.

It is an arithmetic number, because the mean of its divisors is an integer number (3212136).

Almost surely, 2^28314146 is an apocalyptic number.

28314146 is a deficient number, since it is larger than the sum of its proper divisors (23080030).

28314146 is a wasteful number, since it uses less digits than its factorization.

28314146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118993.

The product of its digits is 4608, while the sum is 29.

The square root of 28314146 is about 5321.1038328527. The cubic root of 28314146 is about 304.7903100485.

The spelling of 28314146 in words is "twenty-eight million, three hundred fourteen thousand, one hundred forty-six".