3683478957 has 16 divisors (see below), whose sum is σ = 5126381568. Its totient is φ = 2348178800.

The previous prime is 3683478941. The next prime is 3683479001. The reversal of 3683478957 is 7598743863.

It is a cyclic number.

It is not a de Polignac number, because 3683478957 - 2⁴ = 3683478941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3683478957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3683478907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318832 + ... + 330182.

It is an arithmetic number, because the mean of its divisors is an integer number (320398848).

Almost surely, 2^3683478957 is an apocalyptic number.

It is an amenable number.

3683478957 is a deficient number, since it is larger than the sum of its proper divisors (1442902611).

3683478957 is a wasteful number, since it uses less digits than its factorization.

3683478957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16080.

The product of its digits is 30481920, while the sum is 60.

The square root of 3683478957 is about 60691.6712325505. The cubic root of 3683478957 is about 1544.3748872962.

The spelling of 3683478957 in words is "three billion, six hundred eighty-three million, four hundred seventy-eight thousand, nine hundred fifty-seven".