28426714 has 4 divisors (see below), whose sum is σ = 42640074. Its totient is φ = 14213356.

The previous prime is 28426691. The next prime is 28426729. The reversal of 28426714 is 41762482.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41762482 = 2 ⋅20881241.

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 1646089 = 5175^2 + 1283^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28426714.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7106677 + ... + 7106680.

Almost surely, 2^28426714 is an apocalyptic number.

28426714 is a deficient number, since it is larger than the sum of its proper divisors (14213360).

28426714 is a wasteful number, since it uses less digits than its factorization.

28426714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14213359.

The product of its digits is 21504, while the sum is 34.

The square root of 28426714 is about 5331.6708450541. The cubic root of 28426714 is about 305.1936922511.

The spelling of 28426714 in words is "twenty-eight million, four hundred twenty-six thousand, seven hundred fourteen".