28408714 has 8 divisors (see below), whose sum is σ = 43011648. Its totient is φ = 14071500.

The previous prime is 28408691. The next prime is 28408729. The reversal of 28408714 is 41780482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28408714² = 1614110062267592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28408714.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66162 + ... + 66589.

It is an arithmetic number, because the mean of its divisors is an integer number (5376456).

Almost surely, 2^28408714 is an apocalyptic number.

28408714 is a deficient number, since it is larger than the sum of its proper divisors (14602934).

28408714 is a wasteful number, since it uses less digits than its factorization.

28408714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132860.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 28408714 is about 5329.9825515662. The cubic root of 28408714 is about 305.1292617020.

The spelling of 28408714 in words is "twenty-eight million, four hundred eight thousand, seven hundred fourteen".