2196938 has 4 divisors (see below), whose sum is σ = 3295410. Its totient is φ = 1098468.

The previous prime is 2196917. The next prime is 2196941. The reversal of 2196938 is 8396912.

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., 1399489 + 797449 = 1183^2 + 893^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549233 + ... + 549236.

2^2196938 is an apocalyptic number.

2196938 is a deficient number, since it is larger than the sum of its proper divisors (1098472).

2196938 is a wasteful number, since it uses less digits than its factorization.

2196938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098471.

The product of its digits is 23328, while the sum is 38.

The square root of 2196938 is about 1482.2071380209. The cubic root of 2196938 is about 129.9987771088.

The spelling of 2196938 in words is "two million, one hundred ninety-six thousand, nine hundred thirty-eight".