28900303 has 4 divisors (see below), whose sum is σ = 29121048. Its totient is φ = 28679560.

The previous prime is 28900301. The next prime is 28900307. The reversal of 28900303 is 30300982.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28900303 - 2¹ = 28900301 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 (28900301) 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, 110176 + ... + 110437.

It is an arithmetic number, because the mean of its divisors is an integer number (7280262).

Almost surely, 2^28900303 is an apocalyptic number.

28900303 is a deficient number, since it is larger than the sum of its proper divisors (220745).

28900303 is a wasteful number, since it uses less digits than its factorization.

28900303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220744.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 28900303 is about 5375.9002036868. The cubic root of 28900303 is about 306.8792084932.

The spelling of 28900303 in words is "twenty-eight million, nine hundred thousand, three hundred three".