3881960749 has 8 divisors (see below), whose sum is σ = 3919596480. Its totient is φ = 3844350336.

The previous prime is 3881960743. The next prime is 3881960759. The reversal of 3881960749 is 9470691883.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3881960749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3881960749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881960743) 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, 478872 + ... + 486910.

It is an arithmetic number, because the mean of its divisors is an integer number (489949560).

Almost surely, 2^3881960749 is an apocalyptic number.

It is an amenable number.

3881960749 is a deficient number, since it is larger than the sum of its proper divisors (37635731).

3881960749 is a wasteful number, since it uses less digits than its factorization.

3881960749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12659.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 3881960749 is about 62305.3829857421. The cubic root of 3881960749 is about 1571.6302523150.

The spelling of 3881960749 in words is "three billion, eight hundred eighty-one million, nine hundred sixty thousand, seven hundred forty-nine".