28014337 has 4 divisors (see below), whose sum is σ = 30169300. Its totient is φ = 25859376.

The previous prime is 28014331. The next prime is 28014347. The reversal of 28014337 is 73341082.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9960336 + 18054001 = 3156^2 + 4249^2 .

It is a cyclic number.

It is not a de Polignac number, because 28014337 - 2²³ = 19625729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28014331) 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 3 ways as a sum of consecutive naturals, for example, 1077462 + ... + 1077487.

It is an arithmetic number, because the mean of its divisors is an integer number (7542325).

Almost surely, 2^28014337 is an apocalyptic number.

It is an amenable number.

28014337 is a deficient number, since it is larger than the sum of its proper divisors (2154963).

28014337 is a wasteful number, since it uses less digits than its factorization.

28014337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154962.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 28014337 is about 5292.8571679198. The cubic root of 28014337 is about 303.7107164109.

The spelling of 28014337 in words is "twenty-eight million, fourteen thousand, three hundred thirty-seven".