28393054 has 16 divisors (see below), whose sum is σ = 43594848. Its totient is φ = 13864032.

The previous prime is 28393051. The next prime is 28393067. The reversal of 28393054 is 45039382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28393051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28879 + ... + 29845.

It is an arithmetic number, because the mean of its divisors is an integer number (2724678).

Almost surely, 2^28393054 is an apocalyptic number.

28393054 is a deficient number, since it is larger than the sum of its proper divisors (15201794).

28393054 is a wasteful number, since it uses less digits than its factorization.

28393054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 28393054 is about 5328.5133011000. The cubic root of 28393054 is about 305.0731849819.

The spelling of 28393054 in words is "twenty-eight million, three hundred ninety-three thousand, fifty-four".