2140458 has 24 divisors (see below), whose sum is σ = 4397568. Its totient is φ = 694512.

The previous prime is 2140447. The next prime is 2140459. The reversal of 2140458 is 8540412.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2140459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16791 + ... + 16917.

It is an arithmetic number, because the mean of its divisors is an integer number (183232).

2^2140458 is an apocalyptic number.

2140458 is an abundant number, since it is smaller than the sum of its proper divisors (2257110).

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

2140458 is a wasteful number, since it uses less digits than its factorization.

2140458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2140458 is about 1463.0304166353. The cubic root of 2140458 is about 128.8750668337.

The spelling of 2140458 in words is "two million, one hundred forty thousand, four hundred fifty-eight".