28849099 has 2 divisors, whose sum is σ = 28849100. Its totient is φ = 28849098.

The previous prime is 28849091. The next prime is 28849111. The reversal of 28849099 is 99094882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28849099 - 2³ = 28849091 is a prime.

It is a super-2 number, since 2×28849099² = 1664541026223602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28849091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14424549 + 14424550.

It is an arithmetic number, because the mean of its divisors is an integer number (14424550).

Almost surely, 2^28849099 is an apocalyptic number.

28849099 is a deficient number, since it is larger than the sum of its proper divisors (1).

28849099 is an equidigital number, since it uses as much as digits as its factorization.

28849099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 28849099 is about 5371.1357271996. The cubic root of 28849099 is about 306.6978640022.

The spelling of 28849099 in words is "twenty-eight million, eight hundred forty-nine thousand, ninety-nine".