2638332 has 60 divisors (see below), whose sum is σ = 7318080. Its totient is φ = 825984.

The previous prime is 2638331. The next prime is 2638357. The reversal of 2638332 is 2338362.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2638296 and 2638305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638331) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5269 + ... + 5747.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

2^2638332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2638332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659040).

2638332 is an abundant number, since it is smaller than the sum of its proper divisors (4679748).

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

2638332 is a wasteful number, since it uses less digits than its factorization.

2638332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 501 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 2638332 is about 1624.2943083075. The cubic root of 2638332 is about 138.1793509276.

The spelling of 2638332 in words is "two million, six hundred thirty-eight thousand, three hundred thirty-two".