2113919 has 8 divisors (see below), whose sum is σ = 2213568. Its totient is φ = 2016640.

The previous prime is 2113913. The next prime is 2113931. The reversal of 2113919 is 9193112.

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 2113919 - 2²⁰ = 1065343 is a prime.

It is a super-2 number, since 2×2113919² = 8937307077122, 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 (2113913) 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, 1379 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (276696).

2^2113919 is an apocalyptic number.

2113919 is a deficient number, since it is larger than the sum of its proper divisors (99649).

2113919 is a wasteful number, since it uses less digits than its factorization.

2113919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185.

The product of its digits is 486, while the sum is 26.

The square root of 2113919 is about 1453.9322542677. The cubic root of 2113919 is about 128.3402203909.

The spelling of 2113919 in words is "two million, one hundred thirteen thousand, nine hundred nineteen".