2406438 has 12 divisors (see below), whose sum is σ = 5213988. Its totient is φ = 802140.

The previous prime is 2406379. The next prime is 2406457. The reversal of 2406438 is 8346042.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66828 + ... + 66863.

It is an arithmetic number, because the mean of its divisors is an integer number (434499).

2^2406438 is an apocalyptic number.

2406438 is an abundant number, since it is smaller than the sum of its proper divisors (2807550).

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

2406438 is a wasteful number, since it uses less digits than its factorization.

2406438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133699 (or 133696 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2406438 is about 1551.2698024522. The cubic root of 2406438 is about 134.0062000547.

The spelling of 2406438 in words is "two million, four hundred six thousand, four hundred thirty-eight".