2732891646 has 8 divisors (see below), whose sum is σ = 5465783304. Its totient is φ = 910963880.

The previous prime is 2732891639. The next prime is 2732891699. The reversal of 2732891646 is 6461982372.

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

2732891646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2732891595 and 2732891604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227740965 + ... + 227740976.

It is an arithmetic number, because the mean of its divisors is an integer number (683222913).

Almost surely, 2^2732891646 is an apocalyptic number.

2732891646 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.

2732891646 is a wasteful number, since it uses less digits than its factorization.

2732891646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455481946.

The product of its digits is 870912, while the sum is 48.

The square root of 2732891646 is about 52277.0661571592. The cubic root of 2732891646 is about 1398.1082691255.

The spelling of 2732891646 in words is "two billion, seven hundred thirty-two million, eight hundred ninety-one thousand, six hundred forty-six".