2140650 has 72 divisors (see below), whose sum is σ = 5919264. Its totient is φ = 554400.

The previous prime is 2140637. The next prime is 2140681. The reversal of 2140650 is 560412.

It is a happy number.

2140650 is a `hidden beast` number, since 2 + 14 + 0 + 650 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30115 + ... + 30185.

It is an arithmetic number, because the mean of its divisors is an integer number (82212).

2^2140650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2959632).

2140650 is an abundant number, since it is smaller than the sum of its proper divisors (3778614).

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

2140650 is a wasteful number, since it uses less digits than its factorization.

2140650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2140650 is about 1463.0960323916. The cubic root of 2140650 is about 128.8789201014.

The spelling of 2140650 in words is "two million, one hundred forty thousand, six hundred fifty".