2106890352 has 200 divisors, whose sum is σ = 7069404672. Its totient is φ = 593308800.

The previous prime is 2106890351. The next prime is 2106890363. The reversal of 2106890352 is 2530986012.

2106890352 is a `hidden beast` number, since 210 + 6 + 8 + 90 + 352 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106890351) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 642477 + ... + 645747.

Almost surely, 2^2106890352 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 2106890352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3534702336).

2106890352 is an abundant number, since it is smaller than the sum of its proper divisors (4962514320).

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

2106890352 is a wasteful number, since it uses less digits than its factorization.

2106890352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2106890352 is about 45900.8752857721. The cubic root of 2106890352 is about 1281.9782139222.

The spelling of 2106890352 in words is "two billion, one hundred six million, eight hundred ninety thousand, three hundred fifty-two".