5434640 has 20 divisors (see below), whose sum is σ = 12635724. Its totient is φ = 2173824.

The previous prime is 5434633. The next prime is 5434643. The reversal of 5434640 is 464345.

It can be written as a sum of positive squares in 2 ways, for example, as 3671056 + 1763584 = 1916^2 + 1328^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (5434643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33887 + ... + 34046.

Almost surely, 2^5434640 is an apocalyptic number.

It is an amenable number.

5434640 is an abundant number, since it is smaller than the sum of its proper divisors (7201084).

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

5434640 is a wasteful number, since it uses less digits than its factorization.

5434640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67946 (or 67940 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 5434640 is about 2331.2314342424. The cubic root of 5434640 is about 175.8154056328.

Adding to 5434640 its reverse (464345), we get a palindrome (5898985).

The spelling of 5434640 in words is "five million, four hundred thirty-four thousand, six hundred forty".