540894 has 8 divisors (see below), whose sum is σ = 1081800. Its totient is φ = 180296.

The previous prime is 540877. The next prime is 540901. The reversal of 540894 is 498045.

It is a sphenic number, since it is the product of 3 distinct primes.

540894 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

540894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45069 + ... + 45080.

It is an arithmetic number, because the mean of its divisors is an integer number (135225).

2⁵⁴⁰⁸⁹⁴ is an apocalyptic number.

540894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

540894 is a wasteful number, since it uses less digits than its factorization.

540894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90154.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 540894 is about 735.4549612315. The cubic root of 540894 is about 81.4774424128.

Subtracting from 540894 its reverse (498045), we obtain a square (42849 = 207²).

The spelling of 540894 in words is "five hundred forty thousand, eight hundred ninety-four".