3943106394 has 32 divisors (see below), whose sum is σ = 8165232000. Its totient is φ = 1267944384.

The previous prime is 3943106389. The next prime is 3943106399. The reversal of 3943106394 is 4936013493.

3943106394 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3943106389) and next prime (3943106399).

It is not an unprimeable number, because it can be changed into a prime (3943106399) 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, 204627 + ... + 223065.

It is an arithmetic number, because the mean of its divisors is an integer number (255163500).

Almost surely, 2^3943106394 is an apocalyptic number.

3943106394 is an abundant number, since it is smaller than the sum of its proper divisors (4222125606).

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

3943106394 is a wasteful number, since it uses less digits than its factorization.

3943106394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19702.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 3943106394 is about 62794.1589162559. The cubic root of 3943106394 is about 1579.8390043189.

The spelling of 3943106394 in words is "three billion, nine hundred forty-three million, one hundred six thousand, three hundred ninety-four".