4579906 has 4 divisors (see below), whose sum is σ = 6869862. Its totient is φ = 2289952.

The previous prime is 4579903. The next prime is 4579933. The reversal of 4579906 is 6099754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2374681 + 2205225 = 1541^2 + 1485^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4579901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144975 + ... + 1144978.

Almost surely, 2^4579906 is an apocalyptic number.

4579906 is the 1354-th centered pentagonal number.

4579906 is a deficient number, since it is larger than the sum of its proper divisors (2289956).

4579906 is a wasteful number, since it uses less digits than its factorization.

4579906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289955.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 4579906 is about 2140.0714941328. The cubic root of 4579906 is about 166.0678340852.

The spelling of 4579906 in words is "four million, five hundred seventy-nine thousand, nine hundred six".