2198704 has 20 divisors (see below), whose sum is σ = 4296600. Its totient is φ = 1089920.

The previous prime is 2198701. The next prime is 2198723. The reversal of 2198704 is 4078912.

It is not an unprimeable number, because it can be changed into a prime (2198701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572 + ... + 2620.

It is an arithmetic number, because the mean of its divisors is an integer number (214830).

2^2198704 is an apocalyptic number.

It is an amenable number.

2198704 is a deficient number, since it is larger than the sum of its proper divisors (2097896).

2198704 is a wasteful number, since it uses less digits than its factorization.

2198704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2198704 is about 1482.8027515486. The cubic root of 2198704 is about 130.0336007820.

The spelling of 2198704 in words is "two million, one hundred ninety-eight thousand, seven hundred four".