28365029 has 16 divisors (see below), whose sum is σ = 35819520. Its totient is φ = 21818160.

The previous prime is 28365023. The next prime is 28365041. The reversal of 28365029 is 92056382.

It is not a de Polignac number, because 28365029 - 2¹² = 28360933 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28365029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28365023) 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, 3752 + ... + 8414.

It is an arithmetic number, because the mean of its divisors is an integer number (2238720).

Almost surely, 2^28365029 is an apocalyptic number.

It is an amenable number.

28365029 is a deficient number, since it is larger than the sum of its proper divisors (7454491).

28365029 is a wasteful number, since it uses less digits than its factorization.

28365029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 28365029 is about 5325.8829314960. The cubic root of 28365029 is about 304.9727790810.

The spelling of 28365029 in words is "twenty-eight million, three hundred sixty-five thousand, twenty-nine".