28954664 has 16 divisors (see below), whose sum is σ = 54606420. Its totient is φ = 14392960.

The previous prime is 28954661. The next prime is 28954669. The reversal of 28954664 is 46645982.

It can be written as a sum of positive squares in 2 ways, for example, as 25502500 + 3452164 = 5050^2 + 1858^2 .

It is not an unprimeable number, because it can be changed into a prime (28954661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9077 + ... + 11844.

Almost surely, 2^28954664 is an apocalyptic number.

It is an amenable number.

28954664 is a deficient number, since it is larger than the sum of its proper divisors (25651756).

28954664 is a wasteful number, since it uses less digits than its factorization.

28954664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100 (or 21096 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 28954664 is about 5380.9538187946. The cubic root of 28954664 is about 307.0714995784.

The spelling of 28954664 in words is "twenty-eight million, nine hundred fifty-four thousand, six hundred sixty-four".