2031328 has 48 divisors (see below), whose sum is σ = 4551120. Its totient is φ = 884736.

The previous prime is 2031319. The next prime is 2031353. The reversal of 2031328 is 8231302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7776 + ... + 8032.

It is an arithmetic number, because the mean of its divisors is an integer number (94815).

2^2031328 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 2031328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2275560).

2031328 is an abundant number, since it is smaller than the sum of its proper divisors (2519792).

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

2031328 is a wasteful number, since it uses less digits than its factorization.

2031328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2031328 is about 1425.2466453214. The cubic root of 2031328 is about 126.6465465118.

The spelling of 2031328 in words is "two million, thirty-one thousand, three hundred twenty-eight".