540632 has 8 divisors (see below), whose sum is σ = 1013700. Its totient is φ = 270312.

The previous prime is 540629. The next prime is 540677. The reversal of 540632 is 236045.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33782 + ... + 33797.

2⁵⁴⁰⁶³² is an apocalyptic number.

It is an amenable number.

540632 is a deficient number, since it is larger than the sum of its proper divisors (473068).

540632 is a wasteful number, since it uses less digits than its factorization.

540632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67585 (or 67581 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 540632 is about 735.2768186200. The cubic root of 540632 is about 81.4642848517.

Adding to 540632 its reverse (236045), we get a palindrome (776677).

The spelling of 540632 in words is "five hundred forty thousand, six hundred thirty-two".