28954668 has 48 divisors (see below), whose sum is σ = 69100416. Its totient is φ = 9434880.

The previous prime is 28954661. The next prime is 28954669. The reversal of 28954668 is 86645982.

It is a happy number.

It is a nialpdrome in base 12.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177555 + ... + 177717.

It is an arithmetic number, because the mean of its divisors is an integer number (1439592).

Almost surely, 2^28954668 is an apocalyptic number.

It is an amenable number.

28954668 is an abundant number, since it is smaller than the sum of its proper divisors (40145748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28954668 is a wasteful number, since it uses less digits than its factorization.

28954668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 412 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 28954668 is about 5380.9541904759. The cubic root of 28954668 is about 307.0715137188.

The spelling of 28954668 in words is "twenty-eight million, nine hundred fifty-four thousand, six hundred sixty-eight".