3946078923 has 32 divisors (see below), whose sum is σ = 5520883200. Its totient is φ = 2503872000.

The previous prime is 3946078901. The next prime is 3946078933. The reversal of 3946078923 is 3298706493.

It is not a de Polignac number, because 3946078923 - 2⁵ = 3946078891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3946078933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1824963 + ... + 1827123.

It is an arithmetic number, because the mean of its divisors is an integer number (172527600).

Almost surely, 2^3946078923 is an apocalyptic number.

3946078923 is a deficient number, since it is larger than the sum of its proper divisors (1574804277).

3946078923 is a wasteful number, since it uses less digits than its factorization.

3946078923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 3946078923 is about 62817.8232908464. The cubic root of 3946078923 is about 1580.2358942510.

The spelling of 3946078923 in words is "three billion, nine hundred forty-six million, seventy-eight thousand, nine hundred twenty-three".