2667438 has 32 divisors (see below), whose sum is σ = 6059520. Its totient is φ = 869400.

The previous prime is 2667433. The next prime is 2667439. The reversal of 2667438 is 8347662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2013 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (189360).

2^2667438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2667438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029760).

2667438 is an abundant number, since it is smaller than the sum of its proper divisors (3392082).

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

2667438 is a wasteful number, since it uses less digits than its factorization.

2667438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2667438 is about 1633.2293164158. The cubic root of 2667438 is about 138.6856238978.

The spelling of 2667438 in words is "two million, six hundred sixty-seven thousand, four hundred thirty-eight".