28763201 has 8 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 26494528.

The previous prime is 28763191. The next prime is 28763219. The reversal of 28763201 is 10236782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28763201 - 2¹⁰ = 28762177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28763291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17201 + ... + 18798.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^28763201 is an apocalyptic number.

It is an amenable number.

28763201 is a deficient number, since it is larger than the sum of its proper divisors (2340799).

28763201 is a wasteful number, since it uses less digits than its factorization.

28763201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36063.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28763201 is about 5363.1335057035. The cubic root of 28763201 is about 306.3931644395.

Adding to 28763201 its reverse (10236782), we get a palindrome (38999983).

The spelling of 28763201 in words is "twenty-eight million, seven hundred sixty-three thousand, two hundred one".