28203673 has 8 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 27897408.

The previous prime is 28203661. The next prime is 28203677. The reversal of 28203673 is 37630282.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28203673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28203677) 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, 47265 + ... + 47857.

It is an arithmetic number, because the mean of its divisors is an integer number (3564000).

Almost surely, 2^28203673 is an apocalyptic number.

It is an amenable number.

28203673 is a deficient number, since it is larger than the sum of its proper divisors (308327).

28203673 is a wasteful number, since it uses less digits than its factorization.

28203673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 28203673 is about 5310.7130406378. The cubic root of 28203673 is about 304.3933943574.

The spelling of 28203673 in words is "twenty-eight million, two hundred three thousand, six hundred seventy-three".