28873203 has 8 divisors (see below), whose sum is σ = 38595216. Its totient is φ = 19200000.

The previous prime is 28873193. The next prime is 28873213. The reversal of 28873203 is 30237882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28873193) and next prime (28873213).

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

It is not a de Polignac number, because 28873203 - 2⁶ = 28873139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28873213) 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, 10798 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (4824402).

Almost surely, 2^28873203 is an apocalyptic number.

28873203 is a deficient number, since it is larger than the sum of its proper divisors (9722013).

28873203 is a wasteful number, since it uses less digits than its factorization.

28873203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24405.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 28873203 is about 5373.3791044370. The cubic root of 28873203 is about 306.7832576265.

The spelling of 28873203 in words is "twenty-eight million, eight hundred seventy-three thousand, two hundred three".