28441870 has 16 divisors (see below), whose sum is σ = 51512400. Its totient is φ = 11306304.

The previous prime is 28441813. The next prime is 28441873. The reversal of 28441870 is 7814482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28441873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7095 + ... + 10354.

It is an arithmetic number, because the mean of its divisors is an integer number (3219525).

Almost surely, 2^28441870 is an apocalyptic number.

28441870 is a deficient number, since it is larger than the sum of its proper divisors (23070530).

28441870 is a wasteful number, since it uses less digits than its factorization.

28441870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17619.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 28441870 is about 5333.0919737053. The cubic root of 28441870 is about 305.2479216846.

The spelling of 28441870 in words is "twenty-eight million, four hundred forty-one thousand, eight hundred seventy".