540412 has 12 divisors (see below), whose sum is σ = 952560. Its totient is φ = 268256.

The previous prime is 540391. The next prime is 540433. The reversal of 540412 is 214045.

It is an interprime number because it is at equal distance from previous prime (540391) and next prime (540433).

It is a congruent number.

It is an unprimeable number.

540412 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, 264 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2⁵⁴⁰⁴¹² is an apocalyptic number.

It is an amenable number.

540412 is a deficient number, since it is larger than the sum of its proper divisors (412148).

540412 is a wasteful number, since it uses less digits than its factorization.

540412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 540412 is about 735.1271998777. The cubic root of 540412 is about 81.4532332342.

Adding to 540412 its reverse (214045), we get a palindrome (754457).

The spelling of 540412 in words is "five hundred forty thousand, four hundred twelve".