3864161409 has 8 divisors (see below), whose sum is σ = 5152502880. Its totient is φ = 2575963776.

The previous prime is 3864161407. The next prime is 3864161443. The reversal of 3864161409 is 9041614683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3864161409 - 2¹ = 3864161407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3864161407) 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, 82129 + ... + 120305.

It is an arithmetic number, because the mean of its divisors is an integer number (644062860).

Almost surely, 2^3864161409 is an apocalyptic number.

It is an amenable number.

3864161409 is a deficient number, since it is larger than the sum of its proper divisors (1288341471).

3864161409 is a wasteful number, since it uses less digits than its factorization.

3864161409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71919.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3864161409 is about 62162.3793704842. The cubic root of 3864161409 is about 1569.2245225683.

The spelling of 3864161409 in words is "three billion, eight hundred sixty-four million, one hundred sixty-one thousand, four hundred nine".