28412089 has 8 divisors (see below), whose sum is σ = 29417472. Its totient is φ = 27412320.

The previous prime is 28412077. The next prime is 28412101. The reversal of 28412089 is 98021482.

It is an interprime number because it is at equal distance from previous prime (28412077) and next prime (28412101).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28412089 - 2⁷ = 28411961 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (28412029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10677 + ... + 13069.

It is an arithmetic number, because the mean of its divisors is an integer number (3677184).

Almost surely, 2^28412089 is an apocalyptic number.

It is an amenable number.

28412089 is a deficient number, since it is larger than the sum of its proper divisors (1005383).

28412089 is a wasteful number, since it uses less digits than its factorization.

28412089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 28412089 is about 5330.2991473275. The cubic root of 28412089 is about 305.1413445026.

The spelling of 28412089 in words is "twenty-eight million, four hundred twelve thousand, eighty-nine".