28994484 has 12 divisors (see below), whose sum is σ = 67653824. Its totient is φ = 9664824.

The previous prime is 28994479. The next prime is 28994489. The reversal of 28994484 is 48449982.

It is an interprime number because it is at equal distance from previous prime (28994479) and next prime (28994489).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28994489) 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, 1208092 + ... + 1208115.

Almost surely, 2^28994484 is an apocalyptic number.

It is an amenable number.

28994484 is an abundant number, since it is smaller than the sum of its proper divisors (38659340).

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

28994484 is a wasteful number, since it uses less digits than its factorization.

28994484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416214 (or 2416212 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 28994484 is about 5384.6526350360. The cubic root of 28994484 is about 307.2122021385.

The spelling of 28994484 in words is "twenty-eight million, nine hundred ninety-four thousand, four hundred eighty-four".