28836501 has 16 divisors (see below), whose sum is σ = 39164160. Its totient is φ = 18869760.

The previous prime is 28836499. The next prime is 28836517. The reversal of 28836501 is 10563882.

It is a happy number.

It is not a de Polignac number, because 28836501 - 2¹ = 28836499 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 (28836901) 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, 66381 + ... + 66813.

It is an arithmetic number, because the mean of its divisors is an integer number (2447760).

Almost surely, 2^28836501 is an apocalyptic number.

It is an amenable number.

28836501 is a deficient number, since it is larger than the sum of its proper divisors (10327659).

28836501 is a wasteful number, since it uses less digits than its factorization.

28836501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 28836501 is about 5369.9628490335. The cubic root of 28836501 is about 306.6532139394.

The spelling of 28836501 in words is "twenty-eight million, eight hundred thirty-six thousand, five hundred one".