4623444 has 54 divisors (see below), whose sum is σ = 13600314. Its totient is φ = 1320480.

The previous prime is 4623431. The next prime is 4623457. The reversal of 4623444 is 4443264.

It is an interprime number because it is at equal distance from previous prime (4623431) and next prime (4623457).

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 213444 = 2100^2 + 462^2 .

It is a super-2 number, since 2×4623444² = 42752468842272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 454 + ... + 3074.

Almost surely, 2^4623444 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 4623444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6800157).

4623444 is an abundant number, since it is smaller than the sum of its proper divisors (8976870).

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

4623444 is a wasteful number, since it uses less digits than its factorization.

4623444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2633 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 4623444 is about 2150.2195236766. The cubic root of 4623444 is about 166.5924060282.

The spelling of 4623444 in words is "four million, six hundred twenty-three thousand, four hundred forty-four".