28876029 has 48 divisors (see below), whose sum is σ = 50182272. Its totient is φ = 14380416.

The previous prime is 28876019. The next prime is 28876031. The reversal of 28876029 is 92067882.

It is a happy number.

It is not a de Polignac number, because 28876029 - 2⁸ = 28875773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28876009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98407 + ... + 98699.

It is an arithmetic number, because the mean of its divisors is an integer number (1045464).

Almost surely, 2^28876029 is an apocalyptic number.

It is an amenable number.

28876029 is a deficient number, since it is larger than the sum of its proper divisors (21306243).

28876029 is a wasteful number, since it uses less digits than its factorization.

28876029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 28876029 is about 5373.6420610234. The cubic root of 28876029 is about 306.7932662287.

The spelling of 28876029 in words is "twenty-eight million, eight hundred seventy-six thousand, twenty-nine".