28203466 has 8 divisors (see below), whose sum is σ = 42428160. Its totient is φ = 14060748.

The previous prime is 28203433. The next prime is 28203481. The reversal of 28203466 is 66430282.

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

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, 19626 + ... + 21013.

It is an arithmetic number, because the mean of its divisors is an integer number (5303520).

Almost surely, 2^28203466 is an apocalyptic number.

28203466 is a deficient number, since it is larger than the sum of its proper divisors (14224694).

28203466 is a wasteful number, since it uses less digits than its factorization.

28203466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40988.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 28203466 is about 5310.6935516936. The cubic root of 28203466 is about 304.3926496602.

The spelling of 28203466 in words is "twenty-eight million, two hundred three thousand, four hundred sixty-six".