28303094 has 4 divisors (see below), whose sum is σ = 42454644. Its totient is φ = 14151546.

The previous prime is 28303091. The next prime is 28303109. The reversal of 28303094 is 49030382.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28303091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075772 + ... + 7075775.

It is an arithmetic number, because the mean of its divisors is an integer number (10613661).

Almost surely, 2^28303094 is an apocalyptic number.

28303094 is a deficient number, since it is larger than the sum of its proper divisors (14151550).

28303094 is a wasteful number, since it uses less digits than its factorization.

28303094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14151549.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 28303094 is about 5320.0652251641. The cubic root of 28303094 is about 304.7506481202.

The spelling of 28303094 in words is "twenty-eight million, three hundred three thousand, ninety-four".