3806454665 has 8 divisors (see below), whose sum is σ = 4919110728. Its totient is φ = 2810920320.

The previous prime is 3806454601. The next prime is 3806454677. The reversal of 3806454665 is 5664546083.

It is a happy number.

3806454665 is digitally balanced in base 2, 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 4 ways, for example, as 72267001 + 3734187664 = 8501^2 + 61108^2 .

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

It is not a de Polignac number, because 3806454665 - 2⁶ = 3806454601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29280356 + ... + 29280485.

It is an arithmetic number, because the mean of its divisors is an integer number (614888841).

Almost surely, 2^3806454665 is an apocalyptic number.

It is an amenable number.

3806454665 is a deficient number, since it is larger than the sum of its proper divisors (1112656063).

3806454665 is a wasteful number, since it uses less digits than its factorization.

3806454665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58560859.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The square root of 3806454665 is about 61696.4720628335. The cubic root of 3806454665 is about 1561.3737987256.

It can be divided in two parts, 38064 and 54665, that added together give a palindrome (92729).

The spelling of 3806454665 in words is "three billion, eight hundred six million, four hundred fifty-four thousand, six hundred sixty-five".