2198735 has 16 divisors (see below), whose sum is σ = 3290112. Its totient is φ = 1370400.

The previous prime is 2198723. The next prime is 2198747. The reversal of 2198735 is 5378912.

2198735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2198723) and next prime (2198747).

It is not a de Polignac number, because 2198735 - 2⁶ = 2198671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a d-powerful number, because it can be written as 2²¹ + 1 + 9² + 8 + 7⁵ + 3⁸ + 5⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2198695 and 2198704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2471 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

2^2198735 is an apocalyptic number.

2198735 is a deficient number, since it is larger than the sum of its proper divisors (1091377).

2198735 is a wasteful number, since it uses less digits than its factorization.

2198735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734.

The product of its digits is 15120, while the sum is 35.

The square root of 2198735 is about 1482.8132046890. The cubic root of 2198735 is about 130.0342119030.

It can be divided in two parts, 21987 and 35, that added together give a palindrome (22022).

The spelling of 2198735 in words is "two million, one hundred ninety-eight thousand, seven hundred thirty-five".