28941369 has 8 divisors (see below), whose sum is σ = 38616480. Its totient is φ = 19280256.

The previous prime is 28941359. The next prime is 28941371. The reversal of 28941369 is 96314982.

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

It is not a de Polignac number, because 28941369 - 2¹⁵ = 28908601 is a prime.

It is a super-2 number, since 2×28941369² = 1675205679188322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 28941369.

It is not an unprimeable number, because it can be changed into a prime (28941359) 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, 3114 + ... + 8220.

It is an arithmetic number, because the mean of its divisors is an integer number (4827060).

Almost surely, 2^28941369 is an apocalyptic number.

It is an amenable number.

28941369 is a deficient number, since it is larger than the sum of its proper divisors (9675111).

28941369 is a wasteful number, since it uses less digits than its factorization.

28941369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999.

The product of its digits is 93312, while the sum is 42.

The square root of 28941369 is about 5379.7183011753. The cubic root of 28941369 is about 307.0244934427.

The spelling of 28941369 in words is "twenty-eight million, nine hundred forty-one thousand, three hundred sixty-nine".