3853449966 has 16 divisors (see below), whose sum is σ = 7746834384. Its totient is φ = 1277827584.

The previous prime is 3853449917. The next prime is 3853449967. The reversal of 3853449966 is 6699443583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3853449967) 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, 1662681 + ... + 1664996.

It is an arithmetic number, because the mean of its divisors is an integer number (484177149).

Almost surely, 2^3853449966 is an apocalyptic number.

3853449966 is an abundant number, since it is smaller than the sum of its proper divisors (3893384418).

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

3853449966 is a wasteful number, since it uses less digits than its factorization.

3853449966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327875.

The product of its digits is 16796160, while the sum is 57.

The square root of 3853449966 is about 62076.1626230230. The cubic root of 3853449966 is about 1567.7732189613.

The spelling of 3853449966 in words is "three billion, eight hundred fifty-three million, four hundred forty-nine thousand, nine hundred sixty-six".