3650018 has 8 divisors (see below), whose sum is σ = 5490012. Its totient is φ = 1820016.

The previous prime is 3649999. The next prime is 3650051. The reversal of 3650018 is 8100563.

It can be written as a sum of positive squares in 2 ways, for example, as 3545689 + 104329 = 1883^2 + 323^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3649975 and 3650002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505 + ... + 3092.

Almost surely, 2^3650018 is an apocalyptic number.

3650018 is a deficient number, since it is larger than the sum of its proper divisors (1839994).

3650018 is a wasteful number, since it uses less digits than its factorization.

3650018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 3650018 is about 1910.5020282638. The cubic root of 3650018 is about 153.9684255277.

The spelling of 3650018 in words is "three million, six hundred fifty thousand, eighteen".