542684 has 6 divisors (see below), whose sum is σ = 949704. Its totient is φ = 271340.

The previous prime is 542683. The next prime is 542687. The reversal of 542684 is 486245.

542684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67832 + ... + 67839.

It is an arithmetic number, because the mean of its divisors is an integer number (158284).

2⁵⁴²⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

542684 is a deficient number, since it is larger than the sum of its proper divisors (407020).

542684 is a wasteful number, since it uses less digits than its factorization.

542684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135675 (or 135673 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 542684 is about 736.6708898823. The cubic root of 542684 is about 81.5672221935.

The spelling of 542684 in words is "five hundred forty-two thousand, six hundred eighty-four".