28927498 has 4 divisors (see below), whose sum is σ = 43391250. Its totient is φ = 14463748.

The previous prime is 28927487. The next prime is 28927501. The reversal of 28927498 is 89472982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 2948089 = 5097^2 + 1717^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7231873 + ... + 7231876.

Almost surely, 2^28927498 is an apocalyptic number.

28927498 is a deficient number, since it is larger than the sum of its proper divisors (14463752).

28927498 is a wasteful number, since it uses less digits than its factorization.

28927498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463751.

The product of its digits is 580608, while the sum is 49.

The square root of 28927498 is about 5378.4289527705. The cubic root of 28927498 is about 306.9754354397.

The spelling of 28927498 in words is "twenty-eight million, nine hundred twenty-seven thousand, four hundred ninety-eight".