2079890646 has 8 divisors (see below), whose sum is σ = 4159781304. Its totient is φ = 693296880.

The previous prime is 2079890629. The next prime is 2079890699. The reversal of 2079890646 is 6460989702.

It is a happy number.

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

2079890646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173324215 + ... + 173324226.

It is an arithmetic number, because the mean of its divisors is an integer number (519972663).

Almost surely, 2^2079890646 is an apocalyptic number.

2079890646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2079890646 is a wasteful number, since it uses less digits than its factorization.

2079890646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346648446.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 2079890646 is about 45605.8181156747. The cubic root of 2079890646 is about 1276.4784891115.

The spelling of 2079890646 in words is "two billion, seventy-nine million, eight hundred ninety thousand, six hundred forty-six".