28948474 has 8 divisors (see below), whose sum is σ = 43689600. Its totient is φ = 14385276.

The previous prime is 28948463. The next prime is 28948477. The reversal of 28948474 is 47484982.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28948477) 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, 44074 + ... + 44725.

It is an arithmetic number, because the mean of its divisors is an integer number (5461200).

Almost surely, 2^28948474 is an apocalyptic number.

28948474 is a deficient number, since it is larger than the sum of its proper divisors (14741126).

28948474 is a wasteful number, since it uses less digits than its factorization.

28948474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88964.

The product of its digits is 516096, while the sum is 46.

The square root of 28948474 is about 5380.3786112132. The cubic root of 28948474 is about 307.0496158496.

The spelling of 28948474 in words is "twenty-eight million, nine hundred forty-eight thousand, four hundred seventy-four".