28932303 has 4 divisors (see below), whose sum is σ = 38576408. Its totient is φ = 19288200.

The previous prime is 28932301. The next prime is 28932311. The reversal of 28932303 is 30323982.

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

It is not a de Polignac number, because 28932303 - 2¹ = 28932301 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 (28932301) 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, 4822048 + ... + 4822053.

It is an arithmetic number, because the mean of its divisors is an integer number (9644102).

Almost surely, 2^28932303 is an apocalyptic number.

28932303 is a deficient number, since it is larger than the sum of its proper divisors (9644105).

28932303 is an equidigital number, since it uses as much as digits as its factorization.

28932303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644104.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 28932303 is about 5378.8756260021. The cubic root of 28932303 is about 306.9924312097.

The spelling of 28932303 in words is "twenty-eight million, nine hundred thirty-two thousand, three hundred three".