2081707 has 8 divisors (see below), whose sum is σ = 2247840.
Its totient is φ = 1921920.
The previous prime is 2081687. The next prime is 2081719. The reversal of 2081707 is 7071802.
It is a happy number.
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 2081707 - 215 = 2048939 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2081777) 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, 894 + ... + 2227.
It is an arithmetic number, because the mean of its divisors is an integer number (280980).
22081707 is an apocalyptic number.
2081707 is a deficient number, since it is larger than the sum of its proper divisors (166133).
2081707 is a wasteful number, since it uses less digits than its factorization.
2081707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3173.
The product of its (nonzero) digits is 784, while the sum is 25.
The square root of 2081707 is about 1442.8121845895.
The cubic root of 2081707 is about 127.6849960920.
The spelling of 2081707 in words is "two million, eighty-one thousand, seven hundred seven".