2198356 has 6 divisors (see below), whose sum is σ = 3847130. Its totient is φ = 1099176.

The previous prime is 2198347. The next prime is 2198359. The reversal of 2198356 is 6538912.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 266256 = 1390^2 + 516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274791 + ... + 274798.

2^2198356 is an apocalyptic number.

It is an amenable number.

2198356 is a deficient number, since it is larger than the sum of its proper divisors (1648774).

2198356 is a wasteful number, since it uses less digits than its factorization.

2198356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549593 (or 549591 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 2198356 is about 1482.6854015603. The cubic root of 2198356 is about 130.0267400615.

The spelling of 2198356 in words is "two million, one hundred ninety-eight thousand, three hundred fifty-six".