2403642 has 8 divisors (see below), whose sum is σ = 4807296. Its totient is φ = 801212.

The previous prime is 2403629. The next prime is 2403659. The reversal of 2403642 is 2463042.

2403642 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.

2403642 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200298 + ... + 200309.

It is an arithmetic number, because the mean of its divisors is an integer number (600912).

2^2403642 is an apocalyptic number.

2403642 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.

2403642 is a wasteful number, since it uses less digits than its factorization.

2403642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400612.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2403642 is about 1550.3683433301. The cubic root of 2403642 is about 133.9542800882.

Adding to 2403642 its reverse (2463042), we get a palindrome (4866684).

The spelling of 2403642 in words is "two million, four hundred three thousand, six hundred forty-two".