28476425 has 12 divisors (see below), whose sum is σ = 35385756. Its totient is φ = 22732800.

The previous prime is 28476403. The next prime is 28476439. The reversal of 28476425 is 52467482.

It can be written as a sum of positive squares in 6 ways, for example, as 259081 + 28217344 = 509^2 + 5312^2 .

It is not a de Polignac number, because 28476425 - 2⁶ = 28476361 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15137 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (2948813).

Almost surely, 2^28476425 is an apocalyptic number.

28476425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28476425 is a deficient number, since it is larger than the sum of its proper divisors (6909331).

28476425 is a wasteful number, since it uses less digits than its factorization.

28476425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428 (or 2423 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 28476425 is about 5336.3306681652. The cubic root of 28476425 is about 305.3714903666.

The spelling of 28476425 in words is "twenty-eight million, four hundred seventy-six thousand, four hundred twenty-five".