28923466 has 32 divisors (see below), whose sum is σ = 53198208. Its totient is φ = 11605440.

The previous prime is 28923439. The next prime is 28923473. The reversal of 28923466 is 66432982.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4380 + ... + 8776.

It is an arithmetic number, because the mean of its divisors is an integer number (1662444).

Almost surely, 2^28923466 is an apocalyptic number.

28923466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28923466 is a deficient number, since it is larger than the sum of its proper divisors (24274742).

28923466 is a wasteful number, since it uses less digits than its factorization.

28923466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446.

The product of its digits is 124416, while the sum is 40.

The square root of 28923466 is about 5378.0541090621. The cubic root of 28923466 is about 306.9611723964.

The spelling of 28923466 in words is "twenty-eight million, nine hundred twenty-three thousand, four hundred sixty-six".