3689923418 has 8 divisors (see below), whose sum is σ = 5537984340. Its totient is φ = 1843928640.

The previous prime is 3689923417. The next prime is 3689923483. The reversal of 3689923418 is 8143299863.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3173406889 + 516516529 = 56333^2 + 22727^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3689923418.

It is not an unprimeable number, because it can be changed into a prime (3689923417) 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, 512063 + ... + 519218.

Almost surely, 2^3689923418 is an apocalyptic number.

3689923418 is a deficient number, since it is larger than the sum of its proper divisors (1848060922).

3689923418 is a wasteful number, since it uses less digits than its factorization.

3689923418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033072.

The product of its digits is 2239488, while the sum is 53.

The square root of 3689923418 is about 60744.7398381127. The cubic root of 3689923418 is about 1545.2750204969.

The spelling of 3689923418 in words is "three billion, six hundred eighty-nine million, nine hundred twenty-three thousand, four hundred eighteen".