28425794 has 8 divisors (see below), whose sum is σ = 42664908. Its totient is φ = 14204160.

The previous prime is 28425781. The next prime is 28425811. The reversal of 28425794 is 49752482.

It can be written as a sum of positive squares in 2 ways, for example, as 23961025 + 4464769 = 4895^2 + 2113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1034 + ... + 7610.

Almost surely, 2^28425794 is an apocalyptic number.

28425794 is a deficient number, since it is larger than the sum of its proper divisors (14239114).

28425794 is a wasteful number, since it uses less digits than its factorization.

28425794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740.

The product of its digits is 161280, while the sum is 41.

The square root of 28425794 is about 5331.5845674621. The cubic root of 28425794 is about 305.1903997938.

The spelling of 28425794 in words is "twenty-eight million, four hundred twenty-five thousand, seven hundred ninety-four".