2117396 has 6 divisors (see below), whose sum is σ = 3705450. Its totient is φ = 1058696.

The previous prime is 2117389. The next prime is 2117411. The reversal of 2117396 is 6937112.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 929296 = 1090^2 + 964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264671 + ... + 264678.

It is an arithmetic number, because the mean of its divisors is an integer number (617575).

2^2117396 is an apocalyptic number.

It is an amenable number.

2117396 is a deficient number, since it is larger than the sum of its proper divisors (1588054).

2117396 is a wasteful number, since it uses less digits than its factorization.

2117396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529353 (or 529351 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 2117396 is about 1455.1274858238. The cubic root of 2117396 is about 128.4105470385.

The spelling of 2117396 in words is "two million, one hundred seventeen thousand, three hundred ninety-six".