540490 has 8 divisors (see below), whose sum is σ = 972900. Its totient is φ = 216192.

The previous prime is 540469. The next prime is 540509. The reversal of 540490 is 94045.

540490 is digitally balanced in base 2, 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 2 ways, for example, as 505521 + 34969 = 711^2 + 187^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27015 + ... + 27034.

2⁵⁴⁰⁴⁹⁰ is an apocalyptic number.

540490 is a deficient number, since it is larger than the sum of its proper divisors (432410).

540490 is a wasteful number, since it uses less digits than its factorization.

540490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54056.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 540490 is about 735.1802500068. The cubic root of 540490 is about 81.4571518781.

The spelling of 540490 in words is "five hundred forty thousand, four hundred ninety".