3979446618 has 32 divisors (see below), whose sum is σ = 9211023360. Its totient is φ = 1122591600.

The previous prime is 3979446617. The next prime is 3979446623. The reversal of 3979446618 is 8166449793.

3979446618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3979446617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596358 + ... + 602993.

It is an arithmetic number, because the mean of its divisors is an integer number (287844480).

Almost surely, 2^3979446618 is an apocalyptic number.

3979446618 is an abundant number, since it is smaller than the sum of its proper divisors (5231576742).

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

3979446618 is a wasteful number, since it uses less digits than its factorization.

3979446618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199442.

The product of its digits is 7838208, while the sum is 57.

The square root of 3979446618 is about 63082.8551826881. The cubic root of 3979446618 is about 1584.6775101109.

The spelling of 3979446618 in words is "three billion, nine hundred seventy-nine million, four hundred forty-six thousand, six hundred eighteen".