5398540 has 24 divisors (see below), whose sum is σ = 12956832. Its totient is φ = 1850880.

The previous prime is 5398531. The next prime is 5398543. The reversal of 5398540 is 458935.

It is a junction number, because it is equal to n+sod(n) for n = 5398496 and 5398505.

It is not an unprimeable number, because it can be changed into a prime (5398543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19141 + ... + 19420.

It is an arithmetic number, because the mean of its divisors is an integer number (539868).

Almost surely, 2^5398540 is an apocalyptic number.

It is an amenable number.

5398540 is an abundant number, since it is smaller than the sum of its proper divisors (7558292).

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

5398540 is a wasteful number, since it uses less digits than its factorization.

5398540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38577 (or 38575 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5398540 is about 2323.4758445054. The cubic root of 5398540 is about 175.4252515124.

The spelling of 5398540 in words is "five million, three hundred ninety-eight thousand, five hundred forty".