542940 has 24 divisors (see below), whose sum is σ = 1520400. Its totient is φ = 144768.

The previous prime is 542939. The next prime is 542947. The reversal of 542940 is 49245.

It is a self number, because there is not a number n which added to its sum of digits gives 542940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465 + ... + 4584.

It is an arithmetic number, because the mean of its divisors is an integer number (63350).

2⁵⁴²⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

542940 is an abundant number, since it is smaller than the sum of its proper divisors (977460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542940 is a wasteful number, since it uses less digits than its factorization.

542940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061 (or 9059 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 542940 is about 736.8446240558. The cubic root of 542940 is about 81.5800460629.

The spelling of 542940 in words is "five hundred forty-two thousand, nine hundred forty".