5434440 has 128 divisors (see below), whose sum is σ = 18662400. Its totient is φ = 1253120.

The previous prime is 5434421. The next prime is 5434447. The reversal of 5434440 is 444345.

It is a super-2 number, since 2×5434440² = 59066276227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5434440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5434447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30271 + ... + 30449.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

Almost surely, 2^5434440 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 5434440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9331200).

5434440 is an abundant number, since it is smaller than the sum of its proper divisors (13227960).

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

5434440 is a wasteful number, since it uses less digits than its factorization.

5434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 5434440 is about 2331.1885380638. The cubic root of 5434440 is about 175.8132488808.

Adding to 5434440 its reverse (444345), we get a palindrome (5878785).

The spelling of 5434440 in words is "five million, four hundred thirty-four thousand, four hundred forty".