2124394 has 4 divisors (see below), whose sum is σ = 3186594. Its totient is φ = 1062196.

The previous prime is 2124377. The next prime is 2124401. The reversal of 2124394 is 4934212.

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

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 288369 = 1355^2 + 537^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531097 + ... + 531100.

2^2124394 is an apocalyptic number.

2124394 is a deficient number, since it is larger than the sum of its proper divisors (1062200).

2124394 is a wasteful number, since it uses less digits than its factorization.

2124394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062199.

The product of its digits is 1728, while the sum is 25.

The square root of 2124394 is about 1457.5301026051. The cubic root of 2124394 is about 128.5518572209.

The spelling of 2124394 in words is "two million, one hundred twenty-four thousand, three hundred ninety-four".