28999041 has 4 divisors (see below), whose sum is σ = 38665392. Its totient is φ = 19332692.

The previous prime is 28999037. The next prime is 28999051. The reversal of 28999041 is 14099982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28999041 - 2² = 28999037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28998984 and 28999002.

It is not an unprimeable number, because it can be changed into a prime (28999001) 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, 4833171 + ... + 4833176.

It is an arithmetic number, because the mean of its divisors is an integer number (9666348).

Almost surely, 2^28999041 is an apocalyptic number.

It is an amenable number.

28999041 is a deficient number, since it is larger than the sum of its proper divisors (9666351).

28999041 is an equidigital number, since it uses as much as digits as its factorization.

28999041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666350.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 28999041 is about 5385.0757654837. The cubic root of 28999041 is about 307.2282959199.

The spelling of 28999041 in words is "twenty-eight million, nine hundred ninety-nine thousand, forty-one".