3540438 has 24 divisors (see below), whose sum is σ = 8368776. Its totient is φ = 1072800.

The previous prime is 3540421. The next prime is 3540443. The reversal of 3540438 is 8340453.

It is a happy number.

3540438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 8743 + ... + 9138.

It is an arithmetic number, because the mean of its divisors is an integer number (348699).

Almost surely, 2^3540438 is an apocalyptic number.

3540438 is an abundant number, since it is smaller than the sum of its proper divisors (4828338).

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

3540438 is a wasteful number, since it uses less digits than its factorization.

3540438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17900 (or 17897 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3540438 is about 1881.6051658092. The cubic root of 3540438 is about 152.4119423547.

The spelling of 3540438 in words is "three million, five hundred forty thousand, four hundred thirty-eight".