540378 has 16 divisors (see below), whose sum is σ = 1200960. Its totient is φ = 180108.

The previous prime is 540377. The next prime is 540383. The reversal of 540378 is 873045.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540373) 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 7 ways as a sum of consecutive naturals, for example, 4950 + ... + 5057.

It is an arithmetic number, because the mean of its divisors is an integer number (75060).

2⁵⁴⁰³⁷⁸ is an apocalyptic number.

540378 is an abundant number, since it is smaller than the sum of its proper divisors (660582).

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

540378 is a wasteful number, since it uses less digits than its factorization.

540378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018 (or 10012 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 540378 is about 735.1040742643. The cubic root of 540378 is about 81.4515249893.

It can be divided in two parts, 54037 and 8, that added together give a palindrome (54045).

The spelling of 540378 in words is "five hundred forty thousand, three hundred seventy-eight".