3781929738 has 8 divisors (see below), whose sum is σ = 7563859488. Its totient is φ = 1260643244.

The previous prime is 3781929737. The next prime is 3781929793. The reversal of 3781929738 is 8379291873.

3781929738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3781929738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3781929731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315160806 + ... + 315160817.

It is an arithmetic number, because the mean of its divisors is an integer number (945482436).

Almost surely, 2^3781929738 is an apocalyptic number.

3781929738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3781929738 is a wasteful number, since it uses less digits than its factorization.

3781929738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630321628.

The product of its digits is 4572288, while the sum is 57.

The square root of 3781929738 is about 61497.3961887818. The cubic root of 3781929738 is about 1558.0132688762.

The spelling of 3781929738 in words is "three billion, seven hundred eighty-one million, nine hundred twenty-nine thousand, seven hundred thirty-eight".