28954893 has 16 divisors (see below), whose sum is σ = 44594496. Its totient is φ = 16515840.

The previous prime is 28954889. The next prime is 28954901. The reversal of 28954893 is 39845982.

It is not a de Polignac number, because 28954893 - 2² = 28954889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28954823) 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 15 ways as a sum of consecutive naturals, for example, 25246 + ... + 26367.

It is an arithmetic number, because the mean of its divisors is an integer number (2787156).

Almost surely, 2^28954893 is an apocalyptic number.

It is an amenable number.

28954893 is a deficient number, since it is larger than the sum of its proper divisors (15639603).

28954893 is a wasteful number, since it uses less digits than its factorization.

28954893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51644.

The product of its digits is 622080, while the sum is 48.

The square root of 28954893 is about 5380.9750975079. The cubic root of 28954893 is about 307.0723091105.

The spelling of 28954893 in words is "twenty-eight million, nine hundred fifty-four thousand, eight hundred ninety-three".