5421340 has 12 divisors (see below), whose sum is σ = 11384856. Its totient is φ = 2168528.

The previous prime is 5421337. The next prime is 5421341. The reversal of 5421340 is 431245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135514 + ... + 135553.

It is an arithmetic number, because the mean of its divisors is an integer number (948738).

Almost surely, 2^5421340 is an apocalyptic number.

It is an amenable number.

5421340 is an abundant number, since it is smaller than the sum of its proper divisors (5963516).

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

5421340 is a wasteful number, since it uses less digits than its factorization.

5421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271076 (or 271074 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5421340 is about 2328.3771172213. The cubic root of 5421340 is about 175.6718662258.

Adding to 5421340 its reverse (431245), we get a palindrome (5852585).

The spelling of 5421340 in words is "five million, four hundred twenty-one thousand, three hundred forty".