2189469 has 8 divisors (see below), whose sum is σ = 2932960. Its totient is φ = 1452816.

The previous prime is 2189461. The next prime is 2189477. The reversal of 2189469 is 9649812.

It is an interprime number because it is at equal distance from previous prime (2189461) and next prime (2189477).

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

It is not a de Polignac number, because 2189469 - 2³ = 2189461 is a prime.

It is a super-2 number, since 2×2189469² = 9587549003922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

2189469 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189461) 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, 907 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (366620).

2^2189469 is an apocalyptic number.

It is an amenable number.

2189469 is a deficient number, since it is larger than the sum of its proper divisors (743491).

2189469 is a wasteful number, since it uses less digits than its factorization.

2189469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419.

The product of its digits is 31104, while the sum is 39.

The square root of 2189469 is about 1479.6854395445. The cubic root of 2189469 is about 129.8512895170.

The spelling of 2189469 in words is "two million, one hundred eighty-nine thousand, four hundred sixty-nine".