28374799 has 4 divisors (see below), whose sum is σ = 28394064. Its totient is φ = 28355536.

The previous prime is 28374791. The next prime is 28374817. The reversal of 28374799 is 99747382.

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

It is a cyclic number.

It is not a de Polignac number, because 28374799 - 2³ = 28374791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28374791) 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, 7222 + ... + 10435.

It is an arithmetic number, because the mean of its divisors is an integer number (7098516).

Almost surely, 2^28374799 is an apocalyptic number.

28374799 is a deficient number, since it is larger than the sum of its proper divisors (19265).

28374799 is a wasteful number, since it uses less digits than its factorization.

28374799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19264.

The product of its digits is 762048, while the sum is 49.

The square root of 28374799 is about 5326.8000713374. The cubic root of 28374799 is about 305.0077898216.

The spelling of 28374799 in words is "twenty-eight million, three hundred seventy-four thousand, seven hundred ninety-nine".