28757014 has 16 divisors (see below), whose sum is σ = 50677200. Its totient is φ = 12065760.

The previous prime is 28757011. The next prime is 28757021. The reversal of 28757014 is 41075782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28757011) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 49989 + ... + 50560.

It is an arithmetic number, because the mean of its divisors is an integer number (3167325).

Almost surely, 2^28757014 is an apocalyptic number.

28757014 is a deficient number, since it is larger than the sum of its proper divisors (21920186).

28757014 is a wasteful number, since it uses less digits than its factorization.

28757014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100575.

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

The square root of 28757014 is about 5362.5566663673. The cubic root of 28757014 is about 306.3711943483.

It can be divided in two parts, 2875 and 7014, that added together give a palindrome (9889).

The spelling of 28757014 in words is "twenty-eight million, seven hundred fifty-seven thousand, fourteen".