28330594 has 8 divisors (see below), whose sum is σ = 42529500. Its totient is φ = 14154096.

The previous prime is 28330591. The next prime is 28330597. The reversal of 28330594 is 49503382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28330591) and next prime (28330597).

It can be written as a sum of positive squares in 2 ways, for example, as 27952369 + 378225 = 5287^2 + 615^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28330591) 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, 1969 + ... + 7780.

Almost surely, 2^28330594 is an apocalyptic number.

28330594 is a deficient number, since it is larger than the sum of its proper divisors (14198906).

28330594 is a wasteful number, since it uses less digits than its factorization.

28330594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11204.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 28330594 is about 5322.6491524428. The cubic root of 28330594 is about 304.8493173093.

The spelling of 28330594 in words is "twenty-eight million, three hundred thirty thousand, five hundred ninety-four".