2040438 has 8 divisors (see below), whose sum is σ = 4080888. Its totient is φ = 680144.

The previous prime is 2040433. The next prime is 2040443. The reversal of 2040438 is 8340402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2040433) and next prime (2040443).

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

2040438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040431) 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, 170031 + ... + 170042.

It is an arithmetic number, because the mean of its divisors is an integer number (510111).

2^2040438 is an apocalyptic number.

2040438 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.

2040438 is a wasteful number, since it uses less digits than its factorization.

2040438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340078.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2040438 is about 1428.4390081484. The cubic root of 2040438 is about 126.8355902577.

The spelling of 2040438 in words is "two million, forty thousand, four hundred thirty-eight".