3694628386 has 8 divisors (see below), whose sum is σ = 5551289964. Its totient is φ = 1844198400.

The previous prime is 3694628383. The next prime is 3694628387. The reversal of 3694628386 is 6838264963.

3694628386 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 2 ways, for example, as 3439236025 + 255392361 = 58645^2 + 15981^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3694628383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556415 + ... + 1558786.

Almost surely, 2^3694628386 is an apocalyptic number.

3694628386 is a deficient number, since it is larger than the sum of its proper divisors (1856661578).

3694628386 is a wasteful number, since it uses less digits than its factorization.

3694628386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115796.

The product of its digits is 8957952, while the sum is 55.

The square root of 3694628386 is about 60783.4548705484. The cubic root of 3694628386 is about 1545.9315274872.

The spelling of 3694628386 in words is "three billion, six hundred ninety-four million, six hundred twenty-eight thousand, three hundred eighty-six".