28368948 has 12 divisors (see below), whose sum is σ = 66194240. Its totient is φ = 9456312.

The previous prime is 28368941. The next prime is 28368961. The reversal of 28368948 is 84986382.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 28368897 and 28368906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28368941) 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, 1182028 + ... + 1182051.

Almost surely, 2^28368948 is an apocalyptic number.

It is an amenable number.

28368948 is an abundant number, since it is smaller than the sum of its proper divisors (37825292).

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

28368948 is a wasteful number, since it uses less digits than its factorization.

28368948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364086 (or 2364084 counting only the distinct ones).

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

The square root of 28368948 is about 5326.2508390049. The cubic root of 28368948 is about 304.9868237612.

The spelling of 28368948 in words is "twenty-eight million, three hundred sixty-eight thousand, nine hundred forty-eight".