3888969142 has 16 divisors (see below), whose sum is σ = 5913758160. Its totient is φ = 1917875808.

The previous prime is 3888969131. The next prime is 3888969169. The reversal of 3888969142 is 2419698883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9328 + ... + 88684.

It is an arithmetic number, because the mean of its divisors is an integer number (369609885).

Almost surely, 2^3888969142 is an apocalyptic number.

3888969142 is a deficient number, since it is larger than the sum of its proper divisors (2024789018).

3888969142 is a wasteful number, since it uses less digits than its factorization.

3888969142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79695.

The product of its digits is 5971968, while the sum is 58.

The square root of 3888969142 is about 62361.5998992970. The cubic root of 3888969142 is about 1572.5754774488.

The spelling of 3888969142 in words is "three billion, eight hundred eighty-eight million, nine hundred sixty-nine thousand, one hundred forty-two".