2140938 has 32 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 695520.

The previous prime is 2140937. The next prime is 2140967. The reversal of 2140938 is 8390412.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2140937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731 + ... + 2697.

It is an arithmetic number, because the mean of its divisors is an integer number (152460).

2^2140938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439360).

2140938 is an abundant number, since it is smaller than the sum of its proper divisors (2737782).

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

2140938 is a wasteful number, since it uses less digits than its factorization.

2140938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2140938 is about 1463.1944505089. The cubic root of 2140938 is about 128.8846995710.

The spelling of 2140938 in words is "two million, one hundred forty thousand, nine hundred thirty-eight".