2198403 has 12 divisors (see below), whose sum is σ = 3285360. Its totient is φ = 1414896.

The previous prime is 2198401. The next prime is 2198407. The reversal of 2198403 is 3048912.

It is not a de Polignac number, because 2198403 - 2¹ = 2198401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2198401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3951 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (273780).

2^2198403 is an apocalyptic number.

2198403 is a deficient number, since it is larger than the sum of its proper divisors (1086957).

2198403 is a wasteful number, since it uses less digits than its factorization.

2198403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8458 (or 8455 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2198403 is about 1482.7012510954. The cubic root of 2198403 is about 130.0276666954.

It can be divided in two parts, 2198 and 403, that added together give a square (2601 = 51²).

The spelling of 2198403 in words is "two million, one hundred ninety-eight thousand, four hundred three".