3874331989 has 4 divisors (see below), whose sum is σ = 4226544000. Its totient is φ = 3522119980.

The previous prime is 3874331963. The next prime is 3874332001. The reversal of 3874331989 is 9891334783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9891334783 = 11 ⋅899212253.

It is a cyclic number.

It is not a de Polignac number, because 3874331989 - 2²¹ = 3872234837 is a prime.

It is a super-3 number, since 3×3874331989³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874331939) 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, 176105989 + ... + 176106010.

It is an arithmetic number, because the mean of its divisors is an integer number (1056636000).

Almost surely, 2^3874331989 is an apocalyptic number.

It is an amenable number.

3874331989 is a deficient number, since it is larger than the sum of its proper divisors (352212011).

3874331989 is a wasteful number, since it uses less digits than its factorization.

3874331989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352212010.

The product of its digits is 3919104, while the sum is 55.

The square root of 3874331989 is about 62244.1321652090. The cubic root of 3874331989 is about 1570.6000639407.

The spelling of 3874331989 in words is "three billion, eight hundred seventy-four million, three hundred thirty-one thousand, nine hundred eighty-nine".