4689578 has 4 divisors (see below), whose sum is σ = 7034370. Its totient is φ = 2344788.

The previous prime is 4689577. The next prime is 4689589. The reversal of 4689578 is 8759864.

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., 4231249 + 458329 = 2057^2 + 677^2 .

It is not an unprimeable number, because it can be changed into a prime (4689577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172393 + ... + 1172396.

Almost surely, 2^4689578 is an apocalyptic number.

4689578 is a deficient number, since it is larger than the sum of its proper divisors (2344792).

4689578 is a wasteful number, since it uses less digits than its factorization.

4689578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344791.

The product of its digits is 483840, while the sum is 47.

The square root of 4689578 is about 2165.5433498316. The cubic root of 4689578 is about 167.3829642079.

The spelling of 4689578 in words is "four million, six hundred eighty-nine thousand, five hundred seventy-eight".