3836645 has 8 divisors (see below), whose sum is σ = 4874904. Its totient is φ = 2888704.

The previous prime is 3836639. The next prime is 3836663. The reversal of 3836645 is 5466383.

It can be written as a sum of positive squares in 4 ways, for example, as 268324 + 3568321 = 518^2 + 1889^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3836645 - 2⁴ = 3836629 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 8⁷ + 3¹³ + 6³ + 6⁵ + 4 + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22484 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (609363).

Almost surely, 2^3836645 is an apocalyptic number.

It is an amenable number.

3836645 is a deficient number, since it is larger than the sum of its proper divisors (1038259).

3836645 is a wasteful number, since it uses less digits than its factorization.

3836645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45159.

The product of its digits is 51840, while the sum is 35.

The square root of 3836645 is about 1958.7355615294. The cubic root of 3836645 is about 156.5490868691.

The spelling of 3836645 in words is "three million, eight hundred thirty-six thousand, six hundred forty-five".