28466897 has 8 divisors (see below), whose sum is σ = 29587200. Its totient is φ = 27359280.

The previous prime is 28466887. The next prime is 28466899. The reversal of 28466897 is 79866482.

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 28466897 - 2¹² = 28462801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28466899) 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, 1538 + ... + 7700.

It is an arithmetic number, because the mean of its divisors is an integer number (3698400).

Almost surely, 2^28466897 is an apocalyptic number.

It is an amenable number.

28466897 is a deficient number, since it is larger than the sum of its proper divisors (1120303).

28466897 is a wasteful number, since it uses less digits than its factorization.

28466897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its digits is 1161216, while the sum is 50.

The square root of 28466897 is about 5335.4378452007. The cubic root of 28466897 is about 305.3374282243.

The spelling of 28466897 in words is "twenty-eight million, four hundred sixty-six thousand, eight hundred ninety-seven".