28739296 has 24 divisors (see below), whose sum is σ = 57511944. Its totient is φ = 14133120.

The previous prime is 28739287. The next prime is 28739323. The reversal of 28739296 is 69293782.

It is a congruent number.

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, 5410 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (2396331).

Almost surely, 2^28739296 is an apocalyptic number.

It is an amenable number.

28739296 is an abundant number, since it is smaller than the sum of its proper divisors (28772648).

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

28739296 is a wasteful number, since it uses less digits than its factorization.

28739296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14794 (or 14786 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 28739296 is about 5360.9044013114. The cubic root of 28739296 is about 306.3082601364.

The spelling of 28739296 in words is "twenty-eight million, seven hundred thirty-nine thousand, two hundred ninety-six".