2149340 has 12 divisors (see below), whose sum is σ = 4513656. Its totient is φ = 859728.

The previous prime is 2149331. The next prime is 2149349. The reversal of 2149340 is 439412.

2149340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2149331) and next prime (2149349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53714 + ... + 53753.

It is an arithmetic number, because the mean of its divisors is an integer number (376138).

2^2149340 is an apocalyptic number.

2149340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149340 is an abundant number, since it is smaller than the sum of its proper divisors (2364316).

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

2149340 is a wasteful number, since it uses less digits than its factorization.

2149340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107476 (or 107474 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2149340 is about 1466.0627544549. The cubic root of 2149340 is about 129.0530799328.

The spelling of 2149340 in words is "two million, one hundred forty-nine thousand, three hundred forty".