28466903 has 4 divisors (see below), whose sum is σ = 29128968. Its totient is φ = 27804840.

The previous prime is 28466899. The next prime is 28466929. The reversal of 28466903 is 30966482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28466903 - 2² = 28466899 is a prime.

It is a super-2 number, since 2×28466903² = 1620729132822818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28466983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330968 + ... + 331053.

It is an arithmetic number, because the mean of its divisors is an integer number (7282242).

Almost surely, 2^28466903 is an apocalyptic number.

28466903 is a deficient number, since it is larger than the sum of its proper divisors (662065).

28466903 is an equidigital number, since it uses as much as digits as its factorization.

28466903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662064.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 28466903 is about 5335.4384074788. The cubic root of 28466903 is about 305.3374496764.

The spelling of 28466903 in words is "twenty-eight million, four hundred sixty-six thousand, nine hundred three".