2326213890 has 640 divisors, whose sum is σ = 8898785280. Its totient is φ = 419904000.

The previous prime is 2326213889. The next prime is 2326213891. The reversal of 2326213890 is 983126232.

2326213890 is a `hidden beast` number, since 23 + 2 + 621 + 3 + 8 + 9 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2326213889) and next prime (2326213891).

It is a super-2 number, since 2×2326213890² = 10822542124057864200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2326213891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 15405315 + ... + 15405465.

It is an arithmetic number, because the mean of its divisors is an integer number (13904352).

Almost surely, 2^2326213890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2326213890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4449392640).

2326213890 is an abundant number, since it is smaller than the sum of its proper divisors (6572571390).

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

2326213890 is a wasteful number, since it uses less digits than its factorization.

2326213890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2326213890 is about 48230.8396153333. The cubic root of 2326213890 is about 1325.0020439033.

The spelling of 2326213890 in words is "two billion, three hundred twenty-six million, two hundred thirteen thousand, eight hundred ninety".