2946438 has 48 divisors (see below), whose sum is σ = 7278336. Its totient is φ = 852720.

The previous prime is 2946431. The next prime is 2946439. The reversal of 2946438 is 8346492.

It is a happy number.

2946438 is a `hidden beast` number, since 2 + 9 + 4 + 643 + 8 = 666.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2946431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4231 + ... + 4877.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^2946438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2946438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3639168).

2946438 is an abundant number, since it is smaller than the sum of its proper divisors (4331898).

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

2946438 is a wasteful number, since it uses less digits than its factorization.

2946438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 686 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2946438 is about 1716.5191522380. The cubic root of 2946438 is about 143.3614667449.

The spelling of 2946438 in words is "two million, nine hundred forty-six thousand, four hundred thirty-eight".