3988044261 has 16 divisors (see below), whose sum is σ = 5909267520. Its totient is φ = 2658222000.

The previous prime is 3988044253. The next prime is 3988044271. The reversal of 3988044261 is 1624408893.

It is a happy number.

3988044261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3988044261 - 2³ = 3988044253 is a prime.

It is a super-2 number, since 2×3988044261² = 31808994055390072242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988044241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209386 + ... + 227636.

It is an arithmetic number, because the mean of its divisors is an integer number (369329220).

Almost surely, 2^3988044261 is an apocalyptic number.

It is an amenable number.

3988044261 is a deficient number, since it is larger than the sum of its proper divisors (1921223259).

3988044261 is a wasteful number, since it uses less digits than its factorization.

3988044261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26353 (or 26347 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 3988044261 is about 63150.9640543990. The cubic root of 3988044261 is about 1585.8179275783.

The spelling of 3988044261 in words is "three billion, nine hundred eighty-eight million, forty-four thousand, two hundred sixty-one".