3947360386 has 16 divisors (see below), whose sum is σ = 6212245248. Its totient is φ = 1878699600.

The previous prime is 3947360357. The next prime is 3947360393. The reversal of 3947360386 is 6830637493.

3947360386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518080 + ... + 525643.

It is an arithmetic number, because the mean of its divisors is an integer number (388265328).

Almost surely, 2^3947360386 is an apocalyptic number.

3947360386 is a deficient number, since it is larger than the sum of its proper divisors (2264884862).

3947360386 is a wasteful number, since it uses less digits than its factorization.

3947360386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043817.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The square root of 3947360386 is about 62828.0222989710. The cubic root of 3947360386 is about 1580.4069327853.

The spelling of 3947360386 in words is "three billion, nine hundred forty-seven million, three hundred sixty thousand, three hundred eighty-six".