3949091260 has 48 divisors (see below), whose sum is σ = 8691681600. Its totient is φ = 1504318464.

The previous prime is 3949091239. The next prime is 3949091291. The reversal of 3949091260 is 621909493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86596 + ... + 124084.

It is an arithmetic number, because the mean of its divisors is an integer number (181076700).

Almost surely, 2^3949091260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3949091260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4345840800).

3949091260 is an abundant number, since it is smaller than the sum of its proper divisors (4742590340).

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

3949091260 is a wasteful number, since it uses less digits than its factorization.

3949091260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37750 (or 37748 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 3949091260 is about 62841.7954867618. The cubic root of 3949091260 is about 1580.6378960344.

The spelling of 3949091260 in words is "three billion, nine hundred forty-nine million, ninety-one thousand, two hundred sixty".