28356441 has 8 divisors (see below), whose sum is σ = 38059584. Its totient is φ = 18778800.

The previous prime is 28356437. The next prime is 28356481. The reversal of 28356441 is 14465382.

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

It is not a de Polignac number, because 28356441 - 2² = 28356437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28356421) 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, 30846 + ... + 31751.

It is an arithmetic number, because the mean of its divisors is an integer number (4757448).

Almost surely, 2^28356441 is an apocalyptic number.

It is an amenable number.

28356441 is a deficient number, since it is larger than the sum of its proper divisors (9703143).

28356441 is a wasteful number, since it uses less digits than its factorization.

28356441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62751.

The product of its digits is 23040, while the sum is 33.

The square root of 28356441 is about 5325.0766191671. The cubic root of 28356441 is about 304.9419973909.

The spelling of 28356441 in words is "twenty-eight million, three hundred fifty-six thousand, four hundred forty-one".