4478623 has 8 divisors (see below), whose sum is σ = 4780400. Its totient is φ = 4183488.

The previous prime is 4478567. The next prime is 4478641. The reversal of 4478623 is 3268744.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4478623 is a prime.

It is a super-2 number, since 2×4478623² = 40116127952258, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (597550).

Almost surely, 2^4478623 is an apocalyptic number.

4478623 is a deficient number, since it is larger than the sum of its proper divisors (301777).

4478623 is a wasteful number, since it uses less digits than its factorization.

4478623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321.

The product of its digits is 32256, while the sum is 34.

The square root of 4478623 is about 2116.2757381778. The cubic root of 4478623 is about 164.8345203513.

The spelling of 4478623 in words is "four million, four hundred seventy-eight thousand, six hundred twenty-three".