3946045946 has 8 divisors (see below), whose sum is σ = 5923186560. Its totient is φ = 1971650428.

The previous prime is 3946045937. The next prime is 3946045949. The reversal of 3946045946 is 6495406493.

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

It is a junction number, because it is equal to n+sod(n) for n = 3946045894 and 3946045903.

It is not an unprimeable number, because it can be changed into a prime (3946045949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682676 + ... + 688431.

It is an arithmetic number, because the mean of its divisors is an integer number (740398320).

Almost surely, 2^3946045946 is an apocalyptic number.

3946045946 is a deficient number, since it is larger than the sum of its proper divisors (1977140614).

3946045946 is a wasteful number, since it uses less digits than its factorization.

3946045946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372548.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The square root of 3946045946 is about 62817.5608090604. The cubic root of 3946045946 is about 1580.2314922792.

The spelling of 3946045946 in words is "three billion, nine hundred forty-six million, forty-five thousand, nine hundred forty-six".