2189498 has 16 divisors (see below), whose sum is σ = 3530304. Its totient is φ = 1014720.

The previous prime is 2189491. The next prime is 2189513. The reversal of 2189498 is 8949812.

2189498 = T₂₁₂ + T₂₁₃ + ... + T₂₈₂.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2189491) 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, 1961 + ... + 2867.

It is an arithmetic number, because the mean of its divisors is an integer number (220644).

2^2189498 is an apocalyptic number.

2189498 is a deficient number, since it is larger than the sum of its proper divisors (1340806).

2189498 is a wasteful number, since it uses less digits than its factorization.

2189498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its digits is 41472, while the sum is 41.

The square root of 2189498 is about 1479.6952388921. The cubic root of 2189498 is about 129.8518628175.

The spelling of 2189498 in words is "two million, one hundred eighty-nine thousand, four hundred ninety-eight".