2148919 has 8 divisors (see below), whose sum is σ = 2395440. Its totient is φ = 1915776.

The previous prime is 2148907. The next prime is 2148947. The reversal of 2148919 is 9198412.

2148919 is nontrivially palindromic in base 6.

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 2148919 - 2⁷ = 2148791 is a prime.

It is a super-2 number, since 2×2148919² = 9235705737122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148989) 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, 3004 + ... + 3649.

It is an arithmetic number, because the mean of its divisors is an integer number (299430).

2^2148919 is an apocalyptic number.

2148919 is a deficient number, since it is larger than the sum of its proper divisors (246521).

2148919 is a wasteful number, since it uses less digits than its factorization.

2148919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689.

The product of its digits is 5184, while the sum is 34.

The square root of 2148919 is about 1465.9191655750. The cubic root of 2148919 is about 129.0446533314.

The spelling of 2148919 in words is "two million, one hundred forty-eight thousand, nine hundred nineteen".