2081679 has 8 divisors (see below), whose sum is σ = 2794800. Its totient is φ = 1378176.

The previous prime is 2081671. The next prime is 2081687. The reversal of 2081679 is 9761802.

It is an interprime number because it is at equal distance from previous prime (2081671) and next prime (2081687).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2081679 - 2³ = 2081671 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081671) 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, 1882 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (349350).

2^2081679 is an apocalyptic number.

2081679 is a deficient number, since it is larger than the sum of its proper divisors (713121).

2081679 is a wasteful number, since it uses less digits than its factorization.

2081679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2081679 is about 1442.8024812843. The cubic root of 2081679 is about 127.6844236137.

The spelling of 2081679 in words is "two million, eighty-one thousand, six hundred seventy-nine".