28796161 has 8 divisors (see below), whose sum is σ = 30331584. Its totient is φ = 27284400.

The previous prime is 28796149. The next prime is 28796171. The reversal of 28796161 is 16169782.

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 28796161 - 2⁹ = 28795649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28796171) 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, 3390 + ... + 8311.

It is an arithmetic number, because the mean of its divisors is an integer number (3791448).

Almost surely, 2^28796161 is an apocalyptic number.

It is an amenable number.

28796161 is a deficient number, since it is larger than the sum of its proper divisors (1535423).

28796161 is a wasteful number, since it uses less digits than its factorization.

28796161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11831.

The product of its digits is 36288, while the sum is 40.

The square root of 28796161 is about 5366.2054563723. The cubic root of 28796161 is about 306.5101526211.

The spelling of 28796161 in words is "twenty-eight million, seven hundred ninety-six thousand, one hundred sixty-one".