3650842 has 8 divisors (see below), whose sum is σ = 5897556. Its totient is φ = 1684992.

The previous prime is 3650837. The next prime is 3650849. The reversal of 3650842 is 2480563.

It can be written as a sum of positive squares in 2 ways, for example, as 3644281 + 6561 = 1909^2 + 81^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3650842.

It is not an unprimeable number, because it can be changed into a prime (3650849) by changing a digit.

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, 70183 + ... + 70234.

Almost surely, 2^3650842 is an apocalyptic number.

3650842 is a deficient number, since it is larger than the sum of its proper divisors (2246714).

3650842 is a wasteful number, since it uses less digits than its factorization.

3650842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140432.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3650842 is about 1910.7176662186. The cubic root of 3650842 is about 153.9800108985.

The spelling of 3650842 in words is "three million, six hundred fifty thousand, eight hundred forty-two".