4049542 has 8 divisors (see below), whose sum is σ = 6942096. Its totient is φ = 1735512.

The previous prime is 4049537. The next prime is 4049543. The reversal of 4049542 is 2459404.

4049542 is digitally balanced in base 8, 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.

4049542 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 4049542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049543) 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, 144613 + ... + 144640.

It is an arithmetic number, because the mean of its divisors is an integer number (867762).

Almost surely, 2^4049542 is an apocalyptic number.

4049542 is a deficient number, since it is larger than the sum of its proper divisors (2892554).

4049542 is a wasteful number, since it uses less digits than its factorization.

4049542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289262.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4049542 is about 2012.3473855177. The cubic root of 4049542 is about 159.3927765382.

It can be divided in two parts, 404954 and 2, that multiplied together give a palindrome (809908).

The spelling of 4049542 in words is "four million, forty-nine thousand, five hundred forty-two".