28402714 has 4 divisors (see below), whose sum is σ = 42604074. Its totient is φ = 14201356.

The previous prime is 28402691. The next prime is 28402771. The reversal of 28402714 is 41720482.

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

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 47089 = 5325^2 + 217^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7100677 + ... + 7100680.

Almost surely, 2^28402714 is an apocalyptic number.

28402714 is a deficient number, since it is larger than the sum of its proper divisors (14201360).

28402714 is a wasteful number, since it uses less digits than its factorization.

28402714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14201359.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 28402714 is about 5329.4196682190. The cubic root of 28402714 is about 305.1077788045.

The spelling of 28402714 in words is "twenty-eight million, four hundred two thousand, seven hundred fourteen".