2153850 has 48 divisors (see below), whose sum is σ = 5437152. Its totient is φ = 564160.

The previous prime is 2153839. The next prime is 2153861. The reversal of 2153850 is 583512.

2153850 is a nontrivial binomial coefficient, being equal to C(2076, 2).

It is an interprime number because it is at equal distance from previous prime (2153839) and next prime (2153861).

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12364 + ... + 12536.

It is an arithmetic number, because the mean of its divisors is an integer number (113274).

2^2153850 is an apocalyptic number.

2153850 is the 2075-th triangular number and also the 1038-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2718576).

2153850 is an abundant number, since it is smaller than the sum of its proper divisors (3283302).

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

2153850 is a wasteful number, since it uses less digits than its factorization.

2153850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2153850 is about 1467.6000817661. The cubic root of 2153850 is about 129.1432816955.

It can be divided in two parts, 2153 and 850, that added together give a palindrome (3003).

The spelling of 2153850 in words is "two million, one hundred fifty-three thousand, eight hundred fifty".