542446 has 8 divisors (see below), whose sum is σ = 827640. Its totient is φ = 266568.

The previous prime is 542441. The next prime is 542447. The reversal of 542446 is 644245.

542446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 542446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181 + ... + 2416.

It is an arithmetic number, because the mean of its divisors is an integer number (103455).

2⁵⁴²⁴⁴⁶ is an apocalyptic number.

542446 is a deficient number, since it is larger than the sum of its proper divisors (285194).

542446 is a wasteful number, since it uses less digits than its factorization.

542446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658.

The product of its digits is 3840, while the sum is 25.

The square root of 542446 is about 736.5093346320. The cubic root of 542446 is about 81.5552963843. Note that the first 3 decimals are identical.

It can be divided in two parts, 54 and 2446, that added together give a square (2500 = 50²).

The spelling of 542446 in words is "five hundred forty-two thousand, four hundred forty-six".