3960005 has 8 divisors (see below), whose sum is σ = 5430912. Its totient is φ = 2715408.

The previous prime is 3959983. The next prime is 3960007. The reversal of 3960005 is 5000693.

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 3960005 - 2¹² = 3955909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56537 + ... + 56606.

It is an arithmetic number, because the mean of its divisors is an integer number (678864).

Almost surely, 2^3960005 is an apocalyptic number.

3960005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3960005 is a deficient number, since it is larger than the sum of its proper divisors (1470907).

3960005 is a wasteful number, since it uses less digits than its factorization.

3960005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113155.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 3960005 is about 1989.9761305101. The cubic root of 3960005 is about 158.2092644556.

Adding to 3960005 its reverse (5000693), we get a palindrome (8960698).

The spelling of 3960005 in words is "three million, nine hundred sixty thousand, five".