3640105 has 8 divisors (see below), whose sum is σ = 4992192. Its totient is φ = 2496048.

The previous prime is 3640081. The next prime is 3640121. The reversal of 3640105 is 5010463.

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 3640105 - 2⁵ = 3640073 is a prime.

It is a super-2 number, since 2×3640105² = 26500728822050, which contains 22 as substring.

It is a Duffinian 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, 51967 + ... + 52036.

It is an arithmetic number, because the mean of its divisors is an integer number (624024).

Almost surely, 2^3640105 is an apocalyptic number.

3640105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3640105 is a deficient number, since it is larger than the sum of its proper divisors (1352087).

3640105 is a wasteful number, since it uses less digits than its factorization.

3640105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104015.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3640105 is about 1907.9059201124. The cubic root of 3640105 is about 153.8289127153.

Adding to 3640105 its reverse (5010463), we get a palindrome (8650568).

The spelling of 3640105 in words is "three million, six hundred forty thousand, one hundred five".