5431340 has 24 divisors (see below), whose sum is σ = 12006960. Its totient is φ = 2058048.

The previous prime is 5431339. The next prime is 5431369. The reversal of 5431340 is 431345.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6767 + ... + 7526.

It is an arithmetic number, because the mean of its divisors is an integer number (500290).

Almost surely, 2^5431340 is an apocalyptic number.

It is an amenable number.

5431340 is an abundant number, since it is smaller than the sum of its proper divisors (6575620).

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

5431340 is a wasteful number, since it uses less digits than its factorization.

5431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14321 (or 14319 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 5431340 is about 2330.5235463303. The cubic root of 5431340 is about 175.7798124557.

Adding to 5431340 its reverse (431345), we get a palindrome (5862685).

The spelling of 5431340 in words is "five million, four hundred thirty-one thousand, three hundred forty".