2403438 has 16 divisors (see below), whose sum is σ = 4823760. Its totient is φ = 798336.

The previous prime is 2403419. The next prime is 2403451. The reversal of 2403438 is 8343042.

2403438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1878 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (301485).

2^2403438 is an apocalyptic number.

2403438 is an abundant number, since it is smaller than the sum of its proper divisors (2420322).

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

2403438 is a wasteful number, since it uses less digits than its factorization.

2403438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2403438 is about 1550.3025511170. The cubic root of 2403438 is about 133.9504903605.

The spelling of 2403438 in words is "two million, four hundred three thousand, four hundred thirty-eight".