3670605 has 12 divisors (see below), whose sum is σ = 6362460. Its totient is φ = 1957632.

The previous prime is 3670603. The next prime is 3670633. The reversal of 3670605 is 5060763.

It can be written as a sum of positive squares in 2 ways, for example, as 527076 + 3143529 = 726^2 + 1773^2 .

It is not a de Polignac number, because 3670605 - 2¹ = 3670603 is a prime.

3670605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3670603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40740 + ... + 40829.

It is an arithmetic number, because the mean of its divisors is an integer number (530205).

Almost surely, 2^3670605 is an apocalyptic number.

It is an amenable number.

3670605 is a deficient number, since it is larger than the sum of its proper divisors (2691855).

3670605 is a wasteful number, since it uses less digits than its factorization.

3670605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81580 (or 81577 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 3670605 is about 1915.8823032744. The cubic root of 3670605 is about 154.2573562666.

The spelling of 3670605 in words is "three million, six hundred seventy thousand, six hundred five".