28364455 has 16 divisors (see below), whose sum is σ = 39112704. Its totient is φ = 19343520.

The previous prime is 28364431. The next prime is 28364461. The reversal of 28364455 is 55446382.

It is not a de Polignac number, because 28364455 - 2⁵ = 28364423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4564 + ... + 8806.

It is an arithmetic number, because the mean of its divisors is an integer number (2444544).

Almost surely, 2^28364455 is an apocalyptic number.

28364455 is a deficient number, since it is larger than the sum of its proper divisors (10748249).

28364455 is a wasteful number, since it uses less digits than its factorization.

28364455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446.

The product of its digits is 115200, while the sum is 37.

The square root of 28364455 is about 5325.8290434448. The cubic root of 28364455 is about 304.9707219052.

The spelling of 28364455 in words is "twenty-eight million, three hundred sixty-four thousand, four hundred fifty-five".