28399153 has 2 divisors, whose sum is σ = 28399154. Its totient is φ = 28399152.

The previous prime is 28399121. The next prime is 28399159. The reversal of 28399153 is 35199382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24039409 + 4359744 = 4903^2 + 2088^2 .

It is a cyclic number.

It is not a de Polignac number, because 28399153 - 2⁵ = 28399121 is a prime.

It is a super-2 number, since 2×28399153² = 1613023782234818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28399159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14199576 + 14199577.

It is an arithmetic number, because the mean of its divisors is an integer number (14199577).

Almost surely, 2^28399153 is an apocalyptic number.

It is an amenable number.

28399153 is a deficient number, since it is larger than the sum of its proper divisors (1).

28399153 is an equidigital number, since it uses as much as digits as its factorization.

28399153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 28399153 is about 5329.0855688382. The cubic root of 28399153 is about 305.0950272741.

The spelling of 28399153 in words is "twenty-eight million, three hundred ninety-nine thousand, one hundred fifty-three".