28948924 has 12 divisors (see below), whose sum is σ = 50721048. Its totient is φ = 14457200.

The previous prime is 28948921. The next prime is 28948937. The reversal of 28948924 is 42984982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28948921) 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, 82 + ... + 7609.

It is an arithmetic number, because the mean of its divisors is an integer number (4226754).

Almost surely, 2^28948924 is an apocalyptic number.

It is an amenable number.

28948924 is a deficient number, since it is larger than the sum of its proper divisors (21772124).

28948924 is a wasteful number, since it uses less digits than its factorization.

28948924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636 (or 8634 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 28948924 is about 5380.4204296690. The cubic root of 28948924 is about 307.0512068559.

The spelling of 28948924 in words is "twenty-eight million, nine hundred forty-eight thousand, nine hundred twenty-four".