28914616 has 16 divisors (see below), whose sum is σ = 54419040. Its totient is φ = 14402880.

The previous prime is 28914607. The next prime is 28914617. The reversal of 28914616 is 61641982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28914617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4501 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (3401190).

Almost surely, 2^28914616 is an apocalyptic number.

It is an amenable number.

28914616 is a deficient number, since it is larger than the sum of its proper divisors (25504424).

28914616 is a wasteful number, since it uses less digits than its factorization.

28914616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614 (or 13610 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 28914616 is about 5377.2312578129. The cubic root of 28914616 is about 306.9298612170.

The spelling of 28914616 in words is "twenty-eight million, nine hundred fourteen thousand, six hundred sixteen".