28369029 has 16 divisors (see below), whose sum is σ = 41428800. Its totient is φ = 17160576.

The previous prime is 28369013. The next prime is 28369031. The reversal of 28369029 is 92096382.

It is not a de Polignac number, because 28369029 - 2⁴ = 28369013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28369049) 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, 3864 + ... + 8465.

It is an arithmetic number, because the mean of its divisors is an integer number (2589300).

Almost surely, 2^28369029 is an apocalyptic number.

It is an amenable number.

28369029 is a deficient number, since it is larger than the sum of its proper divisors (13059771).

28369029 is a wasteful number, since it uses less digits than its factorization.

28369029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 28369029 is about 5326.2584428471. The cubic root of 28369029 is about 304.9871140305.

The spelling of 28369029 in words is "twenty-eight million, three hundred sixty-nine thousand, twenty-nine".