3788647388 has 6 divisors (see below), whose sum is σ = 6630132936. Its totient is φ = 1894323692.

The previous prime is 3788647381. The next prime is 3788647399. The reversal of 3788647388 is 8837468873.

It is a self number, because there is not a number n which added to its sum of digits gives 3788647388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3788647381) 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 as a sum of consecutive naturals, namely, 473580920 + ... + 473580927.

It is an arithmetic number, because the mean of its divisors is an integer number (1105022156).

Almost surely, 2^3788647388 is an apocalyptic number.

It is an amenable number.

3788647388 is a deficient number, since it is larger than the sum of its proper divisors (2841485548).

3788647388 is a wasteful number, since it uses less digits than its factorization.

3788647388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947161851 (or 947161849 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 62.

The square root of 3788647388 is about 61551.9893098509. The cubic root of 3788647388 is about 1558.9351965529.

The spelling of 3788647388 in words is "three billion, seven hundred eighty-eight million, six hundred forty-seven thousand, three hundred eighty-eight".