2087919 has 12 divisors (see below), whose sum is σ = 3039400. Its totient is φ = 1381104.

The previous prime is 2087909. The next prime is 2087927. The reversal of 2087919 is 9197802.

It is a happy number.

It is not a de Polignac number, because 2087919 - 2⁴ = 2087903 is a prime.

It is a super-2 number, since 2×2087919² = 8718811501122, 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 (2087909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 2085.

2^2087919 is an apocalyptic number.

2087919 is a deficient number, since it is larger than the sum of its proper divisors (951481).

2087919 is a wasteful number, since it uses less digits than its factorization.

2087919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2087919 is about 1444.9633213338. The cubic root of 2087919 is about 127.8118777854.

The spelling of 2087919 in words is "two million, eighty-seven thousand, nine hundred nineteen".