28801246 has 8 divisors (see below), whose sum is σ = 43374744. Its totient is φ = 14343000.

The previous prime is 28801243. The next prime is 28801307. The reversal of 28801246 is 64210882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28801243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28185 + ... + 29188.

It is an arithmetic number, because the mean of its divisors is an integer number (5421843).

Almost surely, 2^28801246 is an apocalyptic number.

28801246 is a deficient number, since it is larger than the sum of its proper divisors (14573498).

28801246 is a wasteful number, since it uses less digits than its factorization.

28801246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57626.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 28801246 is about 5366.6792339397. The cubic root of 28801246 is about 306.5281933638.

The spelling of 28801246 in words is "twenty-eight million, eight hundred one thousand, two hundred forty-six".