3652005 has 16 divisors (see below), whose sum is σ = 6678144. Its totient is φ = 1669440.

The previous prime is 3651997. The next prime is 3652007. The reversal of 3652005 is 5002563.

It is not a de Polignac number, because 3652005 - 2³ = 3651997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17286 + ... + 17495.

It is an arithmetic number, because the mean of its divisors is an integer number (417384).

Almost surely, 2^3652005 is an apocalyptic number.

3652005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3652005 is a deficient number, since it is larger than the sum of its proper divisors (3026139).

3652005 is a wasteful number, since it uses less digits than its factorization.

3652005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34796.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3652005 is about 1911.0219778956. The cubic root of 3652005 is about 153.9963596149.

Adding to 3652005 its reverse (5002563), we get a palindrome (8654568).

The spelling of 3652005 in words is "three million, six hundred fifty-two thousand, five".