4396771646 has 8 divisors (see below), whose sum is σ = 6942271080. Its totient is φ = 2082681288.

The previous prime is 4396771637. The next prime is 4396771663. The reversal of 4396771646 is 6461776934.

It is a happy number.

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

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, 57852221 + ... + 57852296.

It is an arithmetic number, because the mean of its divisors is an integer number (867783885).

Almost surely, 2^4396771646 is an apocalyptic number.

4396771646 is a deficient number, since it is larger than the sum of its proper divisors (2545499434).

4396771646 is a wasteful number, since it uses less digits than its factorization.

4396771646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115704538.

The product of its digits is 4572288, while the sum is 53.

The square root of 4396771646 is about 66308.1567079043. The cubic root of 4396771646 is about 1638.2416766144.

The spelling of 4396771646 in words is "four billion, three hundred ninety-six million, seven hundred seventy-one thousand, six hundred forty-six".