28458966 has 8 divisors (see below), whose sum is σ = 56917944. Its totient is φ = 9486320.

The previous prime is 28458953. The next prime is 28458973. The reversal of 28458966 is 66985482.

It is a happy number.

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

28458966 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2371575 + ... + 2371586.

It is an arithmetic number, because the mean of its divisors is an integer number (7114743).

Almost surely, 2^28458966 is an apocalyptic number.

28458966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28458966 is a wasteful number, since it uses less digits than its factorization.

28458966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743166.

The product of its digits is 829440, while the sum is 48.

The square root of 28458966 is about 5334.6945554549. The cubic root of 28458966 is about 305.3090694834.

It can be divided in two parts, 2845 and 8966, that added together give a palindrome (11811).

The spelling of 28458966 in words is "twenty-eight million, four hundred fifty-eight thousand, nine hundred sixty-six".