3628605 has 8 divisors (see below), whose sum is σ = 5805792. Its totient is φ = 1935248.

The previous prime is 3628591. The next prime is 3628621. The reversal of 3628605 is 5068263.

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 3628605 - 2¹⁴ = 3612221 is a prime.

It is a super-3 number, since 3×3628605³ (a number of 21 digits) contains 333 as substring.

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, 120939 + ... + 120968.

It is an arithmetic number, because the mean of its divisors is an integer number (725724).

Almost surely, 2^3628605 is an apocalyptic number.

It is an amenable number.

3628605 is a deficient number, since it is larger than the sum of its proper divisors (2177187).

3628605 is a wasteful number, since it uses less digits than its factorization.

3628605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241915.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3628605 is about 1904.8897605898. The cubic root of 3628605 is about 153.6667471815. Note that the first 3 decimals are identical.

The spelling of 3628605 in words is "three million, six hundred twenty-eight thousand, six hundred five".