3105913408 has 56 divisors (see below), whose sum is σ = 6778703232. Its totient is φ = 1402980864.

The previous prime is 3105913403. The next prime is 3105913423. The reversal of 3105913408 is 8043195013.

It is not an unprimeable number, because it can be changed into a prime (3105913403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610 + ... + 78817.

It is an arithmetic number, because the mean of its divisors is an integer number (121048272).

Almost surely, 2^3105913408 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 3105913408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389351616).

3105913408 is an abundant number, since it is smaller than the sum of its proper divisors (3672789824).

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

3105913408 is a wasteful number, since it uses less digits than its factorization.

3105913408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79499 (or 79489 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 3105913408 is about 55730.7222992848. The cubic root of 3105913408 is about 1459.0262801201.

The spelling of 3105913408 in words is "three billion, one hundred five million, nine hundred thirteen thousand, four hundred eight".