28134948 has 24 divisors (see below), whose sum is σ = 67423552. Its totient is φ = 9124704.

The previous prime is 28134929. The next prime is 28134989. The reversal of 28134948 is 84943182.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31240 + ... + 32127.

Almost surely, 2^28134948 is an apocalyptic number.

It is an amenable number.

28134948 is an abundant number, since it is smaller than the sum of its proper divisors (39288604).

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

28134948 is a wasteful number, since it uses less digits than its factorization.

28134948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63411 (or 63409 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 28134948 is about 5304.2386824124. The cubic root of 28134948 is about 304.1459508087.

The spelling of 28134948 in words is "twenty-eight million, one hundred thirty-four thousand, nine hundred forty-eight".