2140364 has 24 divisors (see below), whose sum is σ = 3970176. Its totient is φ = 1008000.

The previous prime is 2140363. The next prime is 2140367. The reversal of 2140364 is 4630412.

It is a happy number.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2140363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (165424).

2^2140364 is an apocalyptic number.

It is an amenable number.

2140364 is a deficient number, since it is larger than the sum of its proper divisors (1829812).

2140364 is a wasteful number, since it uses less digits than its factorization.

2140364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2140364 is about 1462.9982911815. The cubic root of 2140364 is about 128.8731802540.

Adding to 2140364 its reverse (4630412), we get a palindrome (6770776).

The spelling of 2140364 in words is "two million, one hundred forty thousand, three hundred sixty-four".