28179741 has 8 divisors (see below), whose sum is σ = 37608480. Its totient is φ = 18768752.

The previous prime is 28179733. The next prime is 28179769. The reversal of 28179741 is 14797182.

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

It is a cyclic number.

It is not a de Polignac number, because 28179741 - 2³ = 28179733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28179741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28159741) 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 7 ways as a sum of consecutive naturals, for example, 135 + ... + 7508.

It is an arithmetic number, because the mean of its divisors is an integer number (4701060).

Almost surely, 2^28179741 is an apocalyptic number.

It is an amenable number.

28179741 is a deficient number, since it is larger than the sum of its proper divisors (9428739).

28179741 is a wasteful number, since it uses less digits than its factorization.

28179741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875.

The product of its digits is 28224, while the sum is 39.

The square root of 28179741 is about 5308.4593810257. The cubic root of 28179741 is about 304.3072731377.

It can be divided in two parts, 28179 and 741, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 28179741 in words is "twenty-eight million, one hundred seventy-nine thousand, seven hundred forty-one".