3953993930 has 24 divisors (see below), whose sum is σ = 7143873732. Its totient is φ = 1575689664.

The previous prime is 3953993899. The next prime is 3953993933. The reversal of 3953993930 is 393993593.

It can be written as a sum of positive squares in 2 ways, for example, as 3911626849 + 42367081 = 62543^2 + 6509^2 .

It is not an unprimeable number, because it can be changed into a prime (3953993933) 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 11 ways as a sum of consecutive naturals, for example, 798422 + ... + 803358.

Almost surely, 2^3953993930 is an apocalyptic number.

3953993930 is a deficient number, since it is larger than the sum of its proper divisors (3189879802).

3953993930 is an equidigital number, since it uses as much as digits as its factorization.

3953993930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 2657205, while the sum is 53.

The square root of 3953993930 is about 62880.7914231365. The cubic root of 3953993930 is about 1581.2917292700.

The spelling of 3953993930 in words is "three billion, nine hundred fifty-three million, nine hundred ninety-three thousand, nine hundred thirty".