28049029 has 16 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 25801776.

The previous prime is 28049011. The next prime is 28049033. The reversal of 28049029 is 92094082.

It is a cyclic number.

It is not a de Polignac number, because 28049029 - 2⁷ = 28048901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28048985 and 28049003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28049039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77952 + ... + 78310.

It is an arithmetic number, because the mean of its divisors is an integer number (1900800).

Almost surely, 2^28049029 is an apocalyptic number.

It is an amenable number.

28049029 is a deficient number, since it is larger than the sum of its proper divisors (2363771).

28049029 is a wasteful number, since it uses less digits than its factorization.

28049029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 28049029 is about 5296.1334008879. The cubic root of 28049029 is about 303.8360330287.

The spelling of 28049029 in words is "twenty-eight million, forty-nine thousand, twenty-nine".