2190384 has 120 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 599040.

The previous prime is 2190371. The next prime is 2190389. The reversal of 2190384 is 4830912.

2190384 = T₁₂ + T₁₃ + ... + T₂₃₅.

It is not an unprimeable number, because it can be changed into a prime (2190389) 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, 41302 + ... + 41354.

2^2190384 is an apocalyptic number.

2190384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2190384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656016).

2190384 is an abundant number, since it is smaller than the sum of its proper divisors (5121648).

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

2190384 is a wasteful number, since it uses less digits than its factorization.

2190384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2190384 is about 1479.9945945847. The cubic root of 2190384 is about 129.8693756957.

The spelling of 2190384 in words is "two million, one hundred ninety thousand, three hundred eighty-four".