28498754 has 4 divisors (see below), whose sum is σ = 42748134. Its totient is φ = 14249376.

The previous prime is 28498747. The next prime is 28498759. The reversal of 28498754 is 45789482.

It is a happy number.

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., 27321529 + 1177225 = 5227^2 + 1085^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28498699 and 28498708.

It is not an unprimeable number, because it can be changed into a prime (28498759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7124687 + ... + 7124690.

Almost surely, 2^28498754 is an apocalyptic number.

28498754 is a deficient number, since it is larger than the sum of its proper divisors (14249380).

28498754 is a wasteful number, since it uses less digits than its factorization.

28498754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14249379.

The product of its digits is 645120, while the sum is 47.

The square root of 28498754 is about 5338.4224261480. The cubic root of 28498754 is about 305.4512857128.

The spelling of 28498754 in words is "twenty-eight million, four hundred ninety-eight thousand, seven hundred fifty-four".