4253444 has 24 divisors (see below), whose sum is σ = 8082648. Its totient is φ = 1946880.

The previous prime is 4253443. The next prime is 4253449. The reversal of 4253444 is 4443524.

It can be written as a sum of positive squares in 4 ways, for example, as 1600 + 4251844 = 40^2 + 2062^2 .

It is a super-2 number, since 2×4253444² = 36183571722272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 4 + 2 + 5 + 3¹⁰ + 4² + 4³ + 4¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4253443) 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, 7904 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (336777).

Almost surely, 2^4253444 is an apocalyptic number.

It is an amenable number.

4253444 is a deficient number, since it is larger than the sum of its proper divisors (3829204).

4253444 is a wasteful number, since it uses less digits than its factorization.

4253444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 693 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 4253444 is about 2062.3879363495. The cubic root of 4253444 is about 162.0243320664.

Adding to 4253444 its reverse (4443524), we get a palindrome (8696968).

The spelling of 4253444 in words is "four million, two hundred fifty-three thousand, four hundred forty-four".