3885945739 has 8 divisors (see below), whose sum is σ = 4193093520. Its totient is φ = 3579973536.

The previous prime is 3885945727. The next prime is 3885945751. The reversal of 3885945739 is 9375495883.

It is an interprime number because it is at equal distance from previous prime (3885945727) and next prime (3885945751).

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

It is a cyclic number.

It is not a de Polignac number, because 3885945739 - 2²⁵ = 3852391307 is a prime.

It is a super-2 number, since 2×3885945739² = 30201148572904512242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885945719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287017 + ... + 300250.

It is an arithmetic number, because the mean of its divisors is an integer number (524136690).

Almost surely, 2^3885945739 is an apocalyptic number.

3885945739 is a deficient number, since it is larger than the sum of its proper divisors (307147781).

3885945739 is a wasteful number, since it uses less digits than its factorization.

3885945739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587789.

The product of its digits is 32659200, while the sum is 61.

The square root of 3885945739 is about 62337.3542829658. The cubic root of 3885945739 is about 1572.1678491133.

The spelling of 3885945739 in words is "three billion, eight hundred eighty-five million, nine hundred forty-five thousand, seven hundred thirty-nine".