4034440 has 48 divisors (see below), whose sum is σ = 9670500. Its totient is φ = 1514496.

The previous prime is 4034411. The next prime is 4034449. The reversal of 4034440 is 444304.

It can be written as a sum of positive squares in 6 ways, for example, as 3305124 + 729316 = 1818^2 + 854^2 .

It is a super-2 number, since 2×4034440² = 32553412227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4034449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11386 + ... + 11734.

Almost surely, 2^4034440 is an apocalyptic number.

4034440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4034440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4835250).

4034440 is an abundant number, since it is smaller than the sum of its proper divisors (5636060).

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

4034440 is a wasteful number, since it uses less digits than its factorization.

4034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4034440 is about 2008.5915463329. The cubic root of 4034440 is about 159.1943879910.

Adding to 4034440 its reverse (444304), we get a palindrome (4478744).

The spelling of 4034440 in words is "four million, thirty-four thousand, four hundred forty".