28608494 has 4 divisors (see below), whose sum is σ = 42912744. Its totient is φ = 14304246.

The previous prime is 28608493. The next prime is 28608521. The reversal of 28608494 is 49480682.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28608493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7152122 + ... + 7152125.

It is an arithmetic number, because the mean of its divisors is an integer number (10728186).

Almost surely, 2^28608494 is an apocalyptic number.

28608494 is a deficient number, since it is larger than the sum of its proper divisors (14304250).

28608494 is a wasteful number, since it uses less digits than its factorization.

28608494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304249.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 28608494 is about 5348.6908678666. The cubic root of 28608494 is about 305.8428500892.

The spelling of 28608494 in words is "twenty-eight million, six hundred eight thousand, four hundred ninety-four".