3806040641 has 8 divisors (see below), whose sum is σ = 4099306344. Its totient is φ = 3512845440.

The previous prime is 3806040607. The next prime is 3806040647. The reversal of 3806040641 is 1460406083.

It can be written as a sum of positive squares in 4 ways, for example, as 124099600 + 3681941041 = 11140^2 + 60679^2 .

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

It is not a de Polignac number, because 3806040641 - 2²² = 3801846337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3806040598 and 3806040607.

It is not an unprimeable number, because it can be changed into a prime (3806040647) 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, 163511 + ... + 185331.

It is an arithmetic number, because the mean of its divisors is an integer number (512413293).

Almost surely, 2^3806040641 is an apocalyptic number.

It is an amenable number.

3806040641 is a deficient number, since it is larger than the sum of its proper divisors (293265703).

3806040641 is a wasteful number, since it uses less digits than its factorization.

3806040641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35251.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3806040641 is about 61693.1166419723. The cubic root of 3806040641 is about 1561.3171870207.

The spelling of 3806040641 in words is "three billion, eight hundred six million, forty thousand, six hundred forty-one".