3889693476 has 18 divisors (see below), whose sum is σ = 9832280822. Its totient is φ = 1296564480.

The previous prime is 3889693447. The next prime is 3889693513. The reversal of 3889693476 is 6743969883.

It can be written as a sum of positive squares in only one way, i.e., 2234831076 + 1654862400 = 47274^2 + 40680^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54023485 + ... + 54023556.

Almost surely, 2^3889693476 is an apocalyptic number.

3889693476 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3889693476 is an abundant number, since it is smaller than the sum of its proper divisors (5942587346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3889693476 is a wasteful number, since it uses less digits than its factorization.

3889693476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108047051 (or 108047046 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The square root of 3889693476 is about 62367.4071611126. The cubic root of 3889693476 is about 1572.6731039348.

The spelling of 3889693476 in words is "three billion, eight hundred eighty-nine million, six hundred ninety-three thousand, four hundred seventy-six".