3942910388 has 6 divisors (see below), whose sum is σ = 6900093186. Its totient is φ = 1971455192.

The previous prime is 3942910373. The next prime is 3942910423. The reversal of 3942910388 is 8830192493.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3935303824 + 7606564 = 62732^2 + 2758^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492863795 + ... + 492863802.

It is an arithmetic number, because the mean of its divisors is an integer number (1150015531).

Almost surely, 2^3942910388 is an apocalyptic number.

It is an amenable number.

3942910388 is a deficient number, since it is larger than the sum of its proper divisors (2957182798).

3942910388 is a wasteful number, since it uses less digits than its factorization.

3942910388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985727601 (or 985727599 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 3942910388 is about 62792.5981943732. The cubic root of 3942910388 is about 1579.8128267300.

The spelling of 3942910388 in words is "three billion, nine hundred forty-two million, nine hundred ten thousand, three hundred eighty-eight".