28451498 has 16 divisors (see below), whose sum is σ = 43825320. Its totient is φ = 13848000.

The previous prime is 28451473. The next prime is 28451503. The reversal of 28451498 is 89415482.

It can be written as a sum of positive squares in 4 ways, for example, as 27112849 + 1338649 = 5207^2 + 1157^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11168 + ... + 13476.

Almost surely, 2^28451498 is an apocalyptic number.

28451498 is a deficient number, since it is larger than the sum of its proper divisors (15373822).

28451498 is a wasteful number, since it uses less digits than its factorization.

28451498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its digits is 92160, while the sum is 41.

The square root of 28451498 is about 5333.9945631768. The cubic root of 28451498 is about 305.2823614669.

The spelling of 28451498 in words is "twenty-eight million, four hundred fifty-one thousand, four hundred ninety-eight".