2443542 has 8 divisors (see below), whose sum is σ = 4887096. Its totient is φ = 814512.

The previous prime is 2443541. The next prime is 2443547. The reversal of 2443542 is 2453442.

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

2443542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443541) 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, 203623 + ... + 203634.

It is an arithmetic number, because the mean of its divisors is an integer number (610887).

2^2443542 is an apocalyptic number.

2443542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2443542 is a wasteful number, since it uses less digits than its factorization.

2443542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407262.

The product of its digits is 3840, while the sum is 24.

The square root of 2443542 is about 1563.1832905965. The cubic root of 2443542 is about 134.6914213988.

Adding to 2443542 its reverse (2453442), we get a palindrome (4896984).

The spelling of 2443542 in words is "two million, four hundred forty-three thousand, five hundred forty-two".