2149694 has 4 divisors (see below), whose sum is σ = 3224544. Its totient is φ = 1074846.

The previous prime is 2149687. The next prime is 2149703. The reversal of 2149694 is 4969412.

2149694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 537422 + ... + 537425.

It is an arithmetic number, because the mean of its divisors is an integer number (806136).

2^2149694 is an apocalyptic number.

2149694 is a deficient number, since it is larger than the sum of its proper divisors (1074850).

2149694 is a wasteful number, since it uses less digits than its factorization.

2149694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074849.

The product of its digits is 15552, while the sum is 35.

The square root of 2149694 is about 1466.1834810146. The cubic root of 2149694 is about 129.0601646321.

The spelling of 2149694 in words is "two million, one hundred forty-nine thousand, six hundred ninety-four".