28513606 has 32 divisors (see below), whose sum is σ = 50035968. Its totient is φ = 12054240.

The previous prime is 28513577. The next prime is 28513621. The reversal of 28513606 is 60631582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17961 + ... + 19483.

It is an arithmetic number, because the mean of its divisors is an integer number (1563624).

Almost surely, 2^28513606 is an apocalyptic number.

28513606 is a deficient number, since it is larger than the sum of its proper divisors (21522362).

28513606 is a wasteful number, since it uses less digits than its factorization.

28513606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 28513606 is about 5339.8132926161. The cubic root of 28513606 is about 305.5043380281.

The spelling of 28513606 in words is "twenty-eight million, five hundred thirteen thousand, six hundred six".