2197489 has 8 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 1801536.

The previous prime is 2197487. The next prime is 2197493. The reversal of 2197489 is 9847912.

2197489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2197489 - 2¹ = 2197487 is a prime.

2197489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2197487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6664 + ... + 6985.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

2^2197489 is an apocalyptic number.

It is an amenable number.

2197489 is a deficient number, since it is larger than the sum of its proper divisors (423311).

2197489 is a wasteful number, since it uses less digits than its factorization.

2197489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13679.

The product of its digits is 36288, while the sum is 40.

The square root of 2197489 is about 1482.3929978248. The cubic root of 2197489 is about 130.0096442549.

The spelling of 2197489 in words is "two million, one hundred ninety-seven thousand, four hundred eighty-nine".