2190328 has 16 divisors (see below), whose sum is σ = 4693680. Its totient is φ = 938688.

The previous prime is 2190317. The next prime is 2190329. The reversal of 2190328 is 8230912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19501 + ... + 19612.

It is an arithmetic number, because the mean of its divisors is an integer number (293355).

2^2190328 is an apocalyptic number.

2190328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2190328 is an abundant number, since it is smaller than the sum of its proper divisors (2503352).

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

2190328 is a wasteful number, since it uses less digits than its factorization.

2190328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39126 (or 39122 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2190328 is about 1479.9756754758. The cubic root of 2190328 is about 129.8682689268.

The spelling of 2190328 in words is "two million, one hundred ninety thousand, three hundred twenty-eight".