2089971 has 12 divisors (see below), whose sum is σ = 3251248. Its totient is φ = 1286064.

The previous prime is 2089951. The next prime is 2089979. The reversal of 2089971 is 1799802.

It is a happy number.

It is not a de Polignac number, because 2089971 - 2⁵ = 2089939 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2089979) 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, 8815 + ... + 9048.

2^2089971 is an apocalyptic number.

2089971 is a deficient number, since it is larger than the sum of its proper divisors (1161277).

2089971 is a wasteful number, since it uses less digits than its factorization.

2089971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17882 (or 17879 counting only the distinct ones).

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

The square root of 2089971 is about 1445.6731995856. The cubic root of 2089971 is about 127.8537351086.

The spelling of 2089971 in words is "two million, eighty-nine thousand, nine hundred seventy-one".