2140836 has 12 divisors (see below), whose sum is σ = 4995312. Its totient is φ = 713608.

The previous prime is 2140823. The next prime is 2140843. The reversal of 2140836 is 6380412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89190 + ... + 89213.

It is an arithmetic number, because the mean of its divisors is an integer number (416276).

2^2140836 is an apocalyptic number.

It is an amenable number.

2140836 is an abundant number, since it is smaller than the sum of its proper divisors (2854476).

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

2140836 is a wasteful number, since it uses less digits than its factorization.

2140836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178410 (or 178408 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2140836 is about 1463.1595948494. The cubic root of 2140836 is about 128.8826527348.

The spelling of 2140836 in words is "two million, one hundred forty thousand, eight hundred thirty-six".