3874903581 has 8 divisors (see below), whose sum is σ = 5170210560. Its totient is φ = 2581432832.

The previous prime is 3874903561. The next prime is 3874903589. The reversal of 3874903581 is 1853094783.

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 3874903581 - 2¹⁸ = 3874641437 is a prime.

It is a super-2 number, since 2×3874903581² = 30029755524093247122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3874903581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874903589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454125 + ... + 462578.

It is an arithmetic number, because the mean of its divisors is an integer number (646276320).

Almost surely, 2^3874903581 is an apocalyptic number.

It is an amenable number.

3874903581 is a deficient number, since it is larger than the sum of its proper divisors (1295306979).

3874903581 is a wasteful number, since it uses less digits than its factorization.

3874903581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918115.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 3874903581 is about 62248.7235290813. The cubic root of 3874903581 is about 1570.6772986132.

The spelling of 3874903581 in words is "three billion, eight hundred seventy-four million, nine hundred three thousand, five hundred eighty-one".