3808494369 has 15 divisors (see below), whose sum is σ = 5690062147. Its totient is φ = 2538625968.

The previous prime is 3808494359. The next prime is 3808494383. The reversal of 3808494369 is 9634948083.

It is a happy number.

The square root of 3808494369 is 61713.

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

It can be written as a sum of positive squares in only one way, i.e., 27720225 + 3780774144 = 5265^2 + 61488^2 .

It is not a de Polignac number, because 3808494369 - 2⁵ = 3808494337 is a prime.

It is a super-2 number, since 2×3808494369² = 29009258717409416322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3808494359) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 551989 + ... + 558845.

Almost surely, 2^3808494369 is an apocalyptic number.

3808494369 is the 61713-rd square number.

3808494369 is the 30857-th centered octagonal number.

It is an amenable number.

3808494369 is a deficient number, since it is larger than the sum of its proper divisors (1881567778).

3808494369 is an frugal number, since it uses more digits than its factorization.

3808494369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726 (or 6860 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The cubic root of 3808494369 is about 1561.6526383967.

The spelling of 3808494369 in words is "three billion, eight hundred eight million, four hundred ninety-four thousand, three hundred sixty-nine".