3896635369 has 4 divisors (see below), whose sum is σ = 4250874960. Its totient is φ = 3542395780.

The previous prime is 3896635357. The next prime is 3896635423. The reversal of 3896635369 is 9635366983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3896635369 - 2¹³ = 3896627177 is a prime.

It is a super-2 number, since 2×3896635369² = 30367534397883532322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3896635319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177119779 + ... + 177119800.

It is an arithmetic number, because the mean of its divisors is an integer number (1062718740).

Almost surely, 2^3896635369 is an apocalyptic number.

It is an amenable number.

3896635369 is a deficient number, since it is larger than the sum of its proper divisors (354239591).

3896635369 is a wasteful number, since it uses less digits than its factorization.

3896635369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354239590.

The product of its digits is 18895680, while the sum is 58.

The square root of 3896635369 is about 62423.0355638045. The cubic root of 3896635369 is about 1573.6081253559.

The spelling of 3896635369 in words is "three billion, eight hundred ninety-six million, six hundred thirty-five thousand, three hundred sixty-nine".