28024029 has 32 divisors (see below), whose sum is σ = 45655680. Its totient is φ = 16848000.

The previous prime is 28024019. The next prime is 28024039. The reversal of 28024029 is 92042082.

It is an interprime number because it is at equal distance from previous prime (28024019) and next prime (28024039).

It is not a de Polignac number, because 28024029 - 2⁹ = 28023517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28023993 and 28024011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28024019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46329 + ... + 46929.

It is an arithmetic number, because the mean of its divisors is an integer number (1426740).

Almost surely, 2^28024029 is an apocalyptic number.

It is an amenable number.

28024029 is a deficient number, since it is larger than the sum of its proper divisors (17631651).

28024029 is a wasteful number, since it uses less digits than its factorization.

28024029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28024029 is about 5293.7726622892. The cubic root of 28024029 is about 303.7457368705.

The spelling of 28024029 in words is "twenty-eight million, twenty-four thousand, twenty-nine".