3885402889 has 9 divisors (see below), whose sum is σ = 3938022669. Its totient is φ = 3833479500.

The previous prime is 3885402883. The next prime is 3885402931. The reversal of 3885402889 is 9882045883.

It is a happy number.

The square root of 3885402889 is 62333.

It is a perfect power (a square), and thus also a powerful number.

3885402889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3885402889 - 2¹³ = 3885394697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885402883) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5173264 + ... + 5174014.

Almost surely, 2^3885402889 is an apocalyptic number.

3885402889 is the 62333-rd square number.

3885402889 is the 31167-th centered octagonal number.

It is an amenable number.

3885402889 is a deficient number, since it is larger than the sum of its proper divisors (52619780).

3885402889 is an frugal number, since it uses more digits than its factorization.

3885402889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The cubic root of 3885402889 is about 1572.0946373293.

The spelling of 3885402889 in words is "three billion, eight hundred eighty-five million, four hundred two thousand, eight hundred eighty-nine".