2179924 has 12 divisors (see below), whose sum is σ = 3830848. Its totient is φ = 1085400.

The previous prime is 2179921. The next prime is 2179939. The reversal of 2179924 is 4299712.

It is a happy number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 7⁴ + 9² + 9⁴ + 2²¹ + 4⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2179924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179921) 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, 79 + ... + 2089.

2^2179924 is an apocalyptic number.

It is an amenable number.

2179924 is a deficient number, since it is larger than the sum of its proper divisors (1650924).

2179924 is a wasteful number, since it uses less digits than its factorization.

2179924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286 (or 2284 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 2179924 is about 1476.4565689515. The cubic root of 2179924 is about 129.6623188832.

The spelling of 2179924 in words is "two million, one hundred seventy-nine thousand, nine hundred twenty-four".