28498726 has 4 divisors (see below), whose sum is σ = 42748092. Its totient is φ = 14249362.

The previous prime is 28498721. The next prime is 28498733. The reversal of 28498726 is 62789482.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28498721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7124680 + ... + 7124683.

It is an arithmetic number, because the mean of its divisors is an integer number (10687023).

Almost surely, 2^28498726 is an apocalyptic number.

28498726 is a deficient number, since it is larger than the sum of its proper divisors (14249366).

28498726 is a wasteful number, since it uses less digits than its factorization.

28498726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14249365.

The product of its digits is 387072, while the sum is 46.

The square root of 28498726 is about 5338.4198036498. The cubic root of 28498726 is about 305.4511856775.

The spelling of 28498726 in words is "twenty-eight million, four hundred ninety-eight thousand, seven hundred twenty-six".