2400542 has 8 divisors (see below), whose sum is σ = 3610632. Its totient is φ = 1197000.

The previous prime is 2400521. The next prime is 2400551. The reversal of 2400542 is 2450042.

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

2400542 is a modest number, since divided by 542 gives 24 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2400542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (451329).

2^2400542 is an apocalyptic number.

2400542 is a deficient number, since it is larger than the sum of its proper divisors (1210090).

2400542 is a wasteful number, since it uses less digits than its factorization.

2400542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2400542 is about 1549.3682583556. The cubic root of 2400542 is about 133.8966679428.

Adding to 2400542 its reverse (2450042), we get a palindrome (4850584).

The spelling of 2400542 in words is "two million, four hundred thousand, five hundred forty-two".