28609606 has 8 divisors (see below), whose sum is σ = 45438840. Its totient is φ = 13463328.

The previous prime is 28609601. The next prime is 28609627. The reversal of 28609606 is 60690682.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28609601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420696 + ... + 420763.

It is an arithmetic number, because the mean of its divisors is an integer number (5679855).

Almost surely, 2^28609606 is an apocalyptic number.

28609606 is a deficient number, since it is larger than the sum of its proper divisors (16829234).

28609606 is a wasteful number, since it uses less digits than its factorization.

28609606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841478.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 28609606 is about 5348.7948175267. The cubic root of 28609606 is about 305.8468126984.

The spelling of 28609606 in words is "twenty-eight million, six hundred nine thousand, six hundred six".