2128350 has 48 divisors (see below), whose sum is σ = 6035328. Its totient is φ = 486240.

The previous prime is 2128333. The next prime is 2128381. The reversal of 2128350 is 538212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

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, 37 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (125736).

2^2128350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2128350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3017664).

2128350 is an abundant number, since it is smaller than the sum of its proper divisors (3906978).

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

2128350 is a wasteful number, since it uses less digits than its factorization.

2128350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2128350 is about 1458.8865617312. The cubic root of 2128350 is about 128.6316032257.

The spelling of 2128350 in words is "two million, one hundred twenty-eight thousand, three hundred fifty".