2149388 has 6 divisors (see below), whose sum is σ = 3761436. Its totient is φ = 1074692.

The previous prime is 2149379. The next prime is 2149391. The reversal of 2149388 is 8839412.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268670 + ... + 268677.

It is an arithmetic number, because the mean of its divisors is an integer number (626906).

2^2149388 is an apocalyptic number.

It is an amenable number.

2149388 is a deficient number, since it is larger than the sum of its proper divisors (1612048).

2149388 is a wasteful number, since it uses less digits than its factorization.

2149388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537351 (or 537349 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 2149388 is about 1466.0791247405. The cubic root of 2149388 is about 129.0540406156.

The spelling of 2149388 in words is "two million, one hundred forty-nine thousand, three hundred eighty-eight".