28474666 has 8 divisors (see below), whose sum is σ = 46594944. Its totient is φ = 12943020.

The previous prime is 28474657. The next prime is 28474703. The reversal of 28474666 is 66647482.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647130 + ... + 647173.

It is an arithmetic number, because the mean of its divisors is an integer number (5824368).

Almost surely, 2^28474666 is an apocalyptic number.

28474666 is a deficient number, since it is larger than the sum of its proper divisors (18120278).

28474666 is a wasteful number, since it uses less digits than its factorization.

28474666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294316.

The product of its digits is 387072, while the sum is 43.

The square root of 28474666 is about 5336.1658519952. The cubic root of 28474666 is about 305.3652025981.

The spelling of 28474666 in words is "twenty-eight million, four hundred seventy-four thousand, six hundred sixty-six".