5403940 has 24 divisors (see below), whose sum is σ = 11427192. Its totient is φ = 2146560.

The previous prime is 5403917. The next prime is 5403949. The reversal of 5403940 is 493045.

5403940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 599076 + 4804864 = 774^2 + 2192^2 .

It is not an unprimeable number, because it can be changed into a prime (5403949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2280 + ... + 4000.

It is an arithmetic number, because the mean of its divisors is an integer number (476133).

Almost surely, 2^5403940 is an apocalyptic number.

It is an amenable number.

5403940 is an abundant number, since it is smaller than the sum of its proper divisors (6023252).

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

5403940 is a wasteful number, since it uses less digits than its factorization.

5403940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5403940 is about 2324.6376061657. The cubic root of 5403940 is about 175.4837229190.

Adding to 5403940 its reverse (493045), we get a palindrome (5896985).

The spelling of 5403940 in words is "five million, four hundred three thousand, nine hundred forty".