2189379 has 8 divisors (see below), whose sum is σ = 3090960. Its totient is φ = 1373696.

The previous prime is 2189371. The next prime is 2189381. The reversal of 2189379 is 9739812.

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 2189379 - 2³ = 2189371 is a prime.

2189379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2189371) 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, 21414 + ... + 21515.

It is an arithmetic number, because the mean of its divisors is an integer number (386370).

2^2189379 is an apocalyptic number.

2189379 is a deficient number, since it is larger than the sum of its proper divisors (901581).

2189379 is a wasteful number, since it uses less digits than its factorization.

2189379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42949.

The product of its digits is 27216, while the sum is 39.

The square root of 2189379 is about 1479.6550273628. The cubic root of 2189379 is about 129.8495102765.

The spelling of 2189379 in words is "two million, one hundred eighty-nine thousand, three hundred seventy-nine".