5400843 has 16 divisors (see below), whose sum is σ = 8422656. Its totient is φ = 3013920.

The previous prime is 5400839. The next prime is 5400847. The reversal of 5400843 is 3480045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5400839) and next prime (5400847).

It is not a de Polignac number, because 5400843 - 2² = 5400839 is a prime.

It is a super-2 number, since 2×5400843² = 58338210221298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5400847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2088 + ... + 3893.

It is an arithmetic number, because the mean of its divisors is an integer number (526416).

Almost surely, 2^5400843 is an apocalyptic number.

5400843 is a deficient number, since it is larger than the sum of its proper divisors (3021813).

5400843 is a wasteful number, since it uses less digits than its factorization.

5400843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 5400843 is about 2323.9713853660. The cubic root of 5400843 is about 175.4501932509.

Adding to 5400843 its reverse (3480045), we get a palindrome (8880888).

The spelling of 5400843 in words is "five million, four hundred thousand, eight hundred forty-three".