28947606 has 32 divisors (see below), whose sum is σ = 59097600. Its totient is φ = 9451200.

The previous prime is 28947601. The next prime is 28947619. The reversal of 28947606 is 60674982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28947601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80455 + ... + 80813.

It is an arithmetic number, because the mean of its divisors is an integer number (1846800).

Almost surely, 2^28947606 is an apocalyptic number.

28947606 is an abundant number, since it is smaller than the sum of its proper divisors (30149994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28947606 is a wasteful number, since it uses less digits than its factorization.

28947606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 28947606 is about 5380.2979471401. The cubic root of 28947606 is about 307.0465469287.

It can be divided in two parts, 289 and 47606, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 28947606 in words is "twenty-eight million, nine hundred forty-seven thousand, six hundred six".