4423672 has 32 divisors (see below), whose sum is σ = 9583920. Its totient is φ = 1891840.

The previous prime is 4423667. The next prime is 4423673. The reversal of 4423672 is 2763244.

It is a self number, because there is not a number n which added to its sum of digits gives 4423672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423673) 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, 18 + ... + 2974.

Almost surely, 2^4423672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4423672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4791960).

4423672 is an abundant number, since it is smaller than the sum of its proper divisors (5160248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4423672 is a wasteful number, since it uses less digits than its factorization.

4423672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991 (or 2987 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 4423672 is about 2103.2527190045. The cubic root of 4423672 is about 164.1575919240.

It can be divided in two parts, 442 and 3672, that added together give a palindrome (4114).

The spelling of 4423672 in words is "four million, four hundred twenty-three thousand, six hundred seventy-two".