3889909260 has 36 divisors (see below), whose sum is σ = 11799391968. Its totient is φ = 1037309088.

The previous prime is 3889909259. The next prime is 3889909297. The reversal of 3889909260 is 629099883.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 3889909197 and 3889909206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10805124 + ... + 10805483.

It is an arithmetic number, because the mean of its divisors is an integer number (327760888).

Almost surely, 2^3889909260 is an apocalyptic number.

3889909260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3889909260 is an abundant number, since it is smaller than the sum of its proper divisors (7909482708).

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

3889909260 is a wasteful number, since it uses less digits than its factorization.

3889909260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21610622 (or 21610617 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 3889909260 is about 62369.1370791676. The cubic root of 3889909260 is about 1572.7021851825.

The spelling of 3889909260 in words is "three billion, eight hundred eighty-nine million, nine hundred nine thousand, two hundred sixty".