2198756 has 24 divisors (see below), whose sum is σ = 4630080. Its totient is φ = 892512.

The previous prime is 2198747. The next prime is 2198759. The reversal of 2198756 is 6578912.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (2198759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (192920).

2^2198756 is an apocalyptic number.

It is an amenable number.

2198756 is an abundant number, since it is smaller than the sum of its proper divisors (2431324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198756 is a wasteful number, since it uses less digits than its factorization.

2198756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163 (or 4161 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 2198756 is about 1482.8202858067. The cubic root of 2198756 is about 130.0346258850.

The spelling of 2198756 in words is "two million, one hundred ninety-eight thousand, seven hundred fifty-six".