28873301 has 4 divisors (see below), whose sum is σ = 29033004. Its totient is φ = 28713600.

The previous prime is 28873297. The next prime is 28873319. The reversal of 28873301 is 10337882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10337882 = 2 ⋅5168941.

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 27772900 = 1049^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 28873301 - 2² = 28873297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28873321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79580 + ... + 79941.

It is an arithmetic number, because the mean of its divisors is an integer number (7258251).

Almost surely, 2^28873301 is an apocalyptic number.

It is an amenable number.

28873301 is a deficient number, since it is larger than the sum of its proper divisors (159703).

28873301 is a wasteful number, since it uses less digits than its factorization.

28873301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159702.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28873301 is about 5373.3882234583. The cubic root of 28873301 is about 306.7836047157.

The spelling of 28873301 in words is "twenty-eight million, eight hundred seventy-three thousand, three hundred one".