28611344 has 20 divisors (see below), whose sum is σ = 56615424. Its totient is φ = 14000928.

The previous prime is 28611311. The next prime is 28611353. The reversal of 28611344 is 44311682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18272 + ... + 19775.

Almost surely, 2^28611344 is an apocalyptic number.

It is an amenable number.

28611344 is a deficient number, since it is larger than the sum of its proper divisors (28004080).

28611344 is a wasteful number, since it uses less digits than its factorization.

28611344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38102 (or 38096 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 28611344 is about 5348.9572815643. The cubic root of 28611344 is about 305.8530058514.

The spelling of 28611344 in words is "twenty-eight million, six hundred eleven thousand, three hundred forty-four".