28964373 has 4 divisors (see below), whose sum is σ = 38619168. Its totient is φ = 19309580.

The previous prime is 28964371. The next prime is 28964389. The reversal of 28964373 is 37346982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28964373 - 2¹ = 28964371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28964371) 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, 4827393 + ... + 4827398.

It is an arithmetic number, because the mean of its divisors is an integer number (9654792).

Almost surely, 2^28964373 is an apocalyptic number.

It is an amenable number.

28964373 is a deficient number, since it is larger than the sum of its proper divisors (9654795).

28964373 is an equidigital number, since it uses as much as digits as its factorization.

28964373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654794.

The product of its digits is 217728, while the sum is 42.

The square root of 28964373 is about 5381.8559066552. The cubic root of 28964373 is about 307.1058178725.

The spelling of 28964373 in words is "twenty-eight million, nine hundred sixty-four thousand, three hundred seventy-three".