3845338757 has 4 divisors (see below), whose sum is σ = 4141134060. Its totient is φ = 3549543456.

The previous prime is 3845338753. The next prime is 3845338759. The reversal of 3845338757 is 7578335483.

It is a happy number.

3845338757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7578335483 = 1489 ⋅5089547.

It can be written as a sum of positive squares in 2 ways, for example, as 1330717441 + 2514621316 = 36479^2 + 50146^2 .

It is a cyclic number.

It is not a de Polignac number, because 3845338757 - 2² = 3845338753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3845338699 and 3845338708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845338751) 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, 147897632 + ... + 147897657.

It is an arithmetic number, because the mean of its divisors is an integer number (1035283515).

Almost surely, 2^3845338757 is an apocalyptic number.

It is an amenable number.

3845338757 is a deficient number, since it is larger than the sum of its proper divisors (295795303).

3845338757 is a wasteful number, since it uses less digits than its factorization.

3845338757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295795302.

The product of its digits is 8467200, while the sum is 53.

The square root of 3845338757 is about 62010.7954875601. The cubic root of 3845338757 is about 1566.6724331512.

The spelling of 3845338757 in words is "three billion, eight hundred forty-five million, three hundred thirty-eight thousand, seven hundred fifty-seven".