3908169393 has 12 divisors (see below), whose sum is σ = 5221715184. Its totient is φ = 2600046000.

The previous prime is 3908169383. The next prime is 3908169403. The reversal of 3908169393 is 3939618093.

It is an interprime number because it is at equal distance from previous prime (3908169383) and next prime (3908169403).

It is not a de Polignac number, because 3908169393 - 2¹² = 3908165297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3908169383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 875818 + ... + 880268.

It is an arithmetic number, because the mean of its divisors is an integer number (435142932).

Almost surely, 2^3908169393 is an apocalyptic number.

It is an amenable number.

3908169393 is a deficient number, since it is larger than the sum of its proper divisors (1313545791).

3908169393 is an frugal number, since it uses more digits than its factorization.

3908169393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 3908169393 is about 62515.3532582197. The cubic root of 3908169393 is about 1575.1592203862.

The spelling of 3908169393 in words is "three billion, nine hundred eight million, one hundred sixty-nine thousand, three hundred ninety-three".