28354003 has 8 divisors (see below), whose sum is σ = 28883088. Its totient is φ = 27828864.

The previous prime is 28353989. The next prime is 28354021. The reversal of 28354003 is 30045382.

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 28354003 - 2⁵ = 28353971 is a prime.

It is a super-2 number, since 2×28354003² = 1607898972248018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28354603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16176 + ... + 17842.

It is an arithmetic number, because the mean of its divisors is an integer number (3610386).

Almost surely, 2^28354003 is an apocalyptic number.

28354003 is a deficient number, since it is larger than the sum of its proper divisors (529085).

28354003 is a wasteful number, since it uses less digits than its factorization.

28354003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 28354003 is about 5324.8476973525. The cubic root of 28354003 is about 304.9332578139.

Adding to 28354003 its reverse (30045382), we get a palindrome (58399385).

The spelling of 28354003 in words is "twenty-eight million, three hundred fifty-four thousand, three".