28425246 has 8 divisors (see below), whose sum is σ = 56850504. Its totient is φ = 9475080.

The previous prime is 28425209. The next prime is 28425253. The reversal of 28425246 is 64252482.

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

28425246 is an admirable number.

It is a super-2 number, since 2×28425246² = 1615989220321032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368765 + ... + 2368776.

It is an arithmetic number, because the mean of its divisors is an integer number (7106313).

Almost surely, 2^28425246 is an apocalyptic number.

28425246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28425246 is a wasteful number, since it uses less digits than its factorization.

28425246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737546.

The product of its digits is 30720, while the sum is 33.

The square root of 28425246 is about 5331.5331753633. The cubic root of 28425246 is about 305.1884386007.

It can be divided in two parts, 2 and 8425246, that added together give a palindrome (8425248).

The spelling of 28425246 in words is "twenty-eight million, four hundred twenty-five thousand, two hundred forty-six".