2149724 has 12 divisors (see below), whose sum is σ = 3826200. Its totient is φ = 1056528.

The previous prime is 2149711. The next prime is 2149727. The reversal of 2149724 is 4279412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4319 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (318850).

2^2149724 is an apocalyptic number.

It is an amenable number.

2149724 is a deficient number, since it is larger than the sum of its proper divisors (1676476).

2149724 is a wasteful number, since it uses less digits than its factorization.

2149724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9172 (or 9170 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 2149724 is about 1466.1937116220. The cubic root of 2149724 is about 129.0607649945.

The spelling of 2149724 in words is "two million, one hundred forty-nine thousand, seven hundred twenty-four".