3896465409 has 12 divisors (see below), whose sum is σ = 5629208676. Its totient is φ = 2597190912.

The previous prime is 3896465369. The next prime is 3896465411. The reversal of 3896465409 is 9045646983.

3896465409 is a `hidden beast` number, since 3 + 8 + 96 + 4 + 6 + 540 + 9 = 666.

3896465409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3492455409 + 404010000 = 59097^2 + 20100^2 .

It is not a de Polignac number, because 3896465409 - 2⁷ = 3896465281 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3896461409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21717 + ... + 90909.

It is an arithmetic number, because the mean of its divisors is an integer number (469100723).

Almost surely, 2^3896465409 is an apocalyptic number.

It is an amenable number.

3896465409 is a deficient number, since it is larger than the sum of its proper divisors (1732743267).

3896465409 is a wasteful number, since it uses less digits than its factorization.

3896465409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75456 (or 75453 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 3896465409 is about 62421.6741925431. The cubic root of 3896465409 is about 1573.5852462735.

The spelling of 3896465409 in words is "three billion, eight hundred ninety-six million, four hundred sixty-five thousand, four hundred nine".