3658005 has 48 divisors (see below), whose sum is σ = 7054320. Its totient is φ = 1752192.

The previous prime is 3658001. The next prime is 3658019. The reversal of 3658005 is 5008563.

3658005 is a `hidden beast` number, since 3 + 658 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1962801 + 1695204 = 1401^2 + 1302^2 .

It is not a de Polignac number, because 3658005 - 2² = 3658001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3658005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3658001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98847 + ... + 98883.

It is an arithmetic number, because the mean of its divisors is an integer number (146965).

Almost surely, 2^3658005 is an apocalyptic number.

It is an amenable number.

3658005 is a deficient number, since it is larger than the sum of its proper divisors (3396315).

3658005 is a wasteful number, since it uses less digits than its factorization.

3658005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3658005 is about 1912.5911742973. The cubic root of 3658005 is about 154.0806487115.

The spelling of 3658005 in words is "three million, six hundred fifty-eight thousand, five".