28038599 has 2 divisors, whose sum is σ = 28038600. Its totient is φ = 28038598.

The previous prime is 28038583. The next prime is 28038607. The reversal of 28038599 is 99583082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28038599 - 2⁴ = 28038583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28038299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14019299 + 14019300.

It is an arithmetic number, because the mean of its divisors is an integer number (14019300).

Almost surely, 2^28038599 is an apocalyptic number.

28038599 is a deficient number, since it is larger than the sum of its proper divisors (1).

28038599 is an equidigital number, since it uses as much as digits as its factorization.

28038599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 28038599 is about 5295.1486286978. The cubic root of 28038599 is about 303.7983679969.

The spelling of 28038599 in words is "twenty-eight million, thirty-eight thousand, five hundred ninety-nine".