28794361 has 8 divisors (see below), whose sum is σ = 29853000. Its totient is φ = 27740160.

The previous prime is 28794349. The next prime is 28794383. The reversal of 28794361 is 16349782.

It can be written as a sum of positive squares in 4 ways, for example, as 8037225 + 20757136 = 2835^2 + 4556^2 .

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 28794361 - 2¹⁷ = 28663289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28794331) 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, 17815 + ... + 19363.

It is an arithmetic number, because the mean of its divisors is an integer number (3731625).

Almost surely, 2^28794361 is an apocalyptic number.

It is an amenable number.

28794361 is a deficient number, since it is larger than the sum of its proper divisors (1058639).

28794361 is a wasteful number, since it uses less digits than its factorization.

28794361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its digits is 72576, while the sum is 40.

The square root of 28794361 is about 5366.0377374745. The cubic root of 28794361 is about 306.5037660086.

The spelling of 28794361 in words is "twenty-eight million, seven hundred ninety-four thousand, three hundred sixty-one".