2196724 has 12 divisors (see below), whose sum is σ = 3862404. Its totient is φ = 1093184.

The previous prime is 2196713. The next prime is 2196731. The reversal of 2196724 is 4276912.

It can be written as a sum of positive squares in 2 ways, for example, as 422500 + 1774224 = 650^2 + 1332^2 .

It is a super-4 number, since 4×2196724⁴ (a number of 26 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (321867).

2^2196724 is an apocalyptic number.

It is an amenable number.

2196724 is a deficient number, since it is larger than the sum of its proper divisors (1665680).

2196724 is a wasteful number, since it uses less digits than its factorization.

2196724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2592 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 2196724 is about 1482.1349466226. The cubic root of 2196724 is about 129.9945559850.

The spelling of 2196724 in words is "two million, one hundred ninety-six thousand, seven hundred twenty-four".