28057714 has 8 divisors (see below), whose sum is σ = 42242688. Its totient is φ = 13976820.

The previous prime is 28057681. The next prime is 28057717. The reversal of 28057714 is 41775082.

It is a happy number.

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

It is a super-3 number, since 3×28057714³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28057714.

It is not an unprimeable number, because it can be changed into a prime (28057717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25342 + ... + 26425.

It is an arithmetic number, because the mean of its divisors is an integer number (5280336).

Almost surely, 2^28057714 is an apocalyptic number.

28057714 is a deficient number, since it is larger than the sum of its proper divisors (14184974).

28057714 is a wasteful number, since it uses less digits than its factorization.

28057714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52040.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 28057714 is about 5296.9532752328. The cubic root of 28057714 is about 303.8673893564.

The spelling of 28057714 in words is "twenty-eight million, fifty-seven thousand, seven hundred fourteen".