2149718 has 16 divisors (see below), whose sum is σ = 3564000. Its totient is φ = 967296.

The previous prime is 2149711. The next prime is 2149727. The reversal of 2149718 is 8179412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149711) 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, 593 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

2^2149718 is an apocalyptic number.

2149718 is a deficient number, since it is larger than the sum of its proper divisors (1414282).

2149718 is a wasteful number, since it uses less digits than its factorization.

2149718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its digits is 4032, while the sum is 32.

The square root of 2149718 is about 1466.1916655063. The cubic root of 2149718 is about 129.0606449225.

The spelling of 2149718 in words is "two million, one hundred forty-nine thousand, seven hundred eighteen".