28609562 has 16 divisors (see below), whose sum is σ = 44997120. Its totient is φ = 13616592.

The previous prime is 28609543. The next prime is 28609583. The reversal of 28609562 is 26590682.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8864 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^28609562 is an apocalyptic number.

28609562 is a deficient number, since it is larger than the sum of its proper divisors (16387558).

28609562 is a wasteful number, since it uses less digits than its factorization.

28609562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 28609562 is about 5348.7907044490. The cubic root of 28609562 is about 305.8466559065.

The spelling of 28609562 in words is "twenty-eight million, six hundred nine thousand, five hundred sixty-two".