3940923938 has 16 divisors (see below), whose sum is σ = 6760342080. Its totient is φ = 1687849296.

The previous prime is 3940923881. The next prime is 3940923979. The reversal of 3940923938 is 8393290493.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71093 + ... + 113736.

It is an arithmetic number, because the mean of its divisors is an integer number (422521380).

Almost surely, 2^3940923938 is an apocalyptic number.

3940923938 is a deficient number, since it is larger than the sum of its proper divisors (2819418142).

3940923938 is a wasteful number, since it uses less digits than its factorization.

3940923938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186361.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 3940923938 is about 62776.7786526196. The cubic root of 3940923938 is about 1579.5474773609.

The spelling of 3940923938 in words is "three billion, nine hundred forty million, nine hundred twenty-three thousand, nine hundred thirty-eight".