28454246 has 8 divisors (see below), whose sum is σ = 43722504. Its totient is φ = 13880080.

The previous prime is 28454227. The next prime is 28454263. The reversal of 28454246 is 64245482.

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

It is a congruent 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, 173420 + ... + 173583.

It is an arithmetic number, because the mean of its divisors is an integer number (5465313).

Almost surely, 2^28454246 is an apocalyptic number.

28454246 is a deficient number, since it is larger than the sum of its proper divisors (15268258).

28454246 is a wasteful number, since it uses less digits than its factorization.

28454246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347046.

The product of its digits is 61440, while the sum is 35.

The square root of 28454246 is about 5334.2521500207. The cubic root of 28454246 is about 305.2921897592.

The spelling of 28454246 in words is "twenty-eight million, four hundred fifty-four thousand, two hundred forty-six".