540694 has 16 divisors (see below), whose sum is σ = 1011456. Its totient is φ = 210600.

The previous prime is 540691. The next prime is 540697. The reversal of 540694 is 496045.

It is an interprime number because it is at equal distance from previous prime (540691) and next prime (540697).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 1909.

It is an arithmetic number, because the mean of its divisors is an integer number (63216).

2⁵⁴⁰⁶⁹⁴ is an apocalyptic number.

540694 is a deficient number, since it is larger than the sum of its proper divisors (470762).

540694 is a wasteful number, since it uses less digits than its factorization.

540694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 540694 is about 735.3189784033. The cubic root of 540694 is about 81.4673988569.

The spelling of 540694 in words is "five hundred forty thousand, six hundred ninety-four".