3678005 has 8 divisors (see below), whose sum is σ = 4516512. Its totient is φ = 2873808.

The previous prime is 3677981. The next prime is 3678007. The reversal of 3678005 is 5008763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3678005 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 (3678007) 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, 8339 + ... + 8768.

It is an arithmetic number, because the mean of its divisors is an integer number (564564).

Almost surely, 2^3678005 is an apocalyptic number.

It is an amenable number.

3678005 is a deficient number, since it is larger than the sum of its proper divisors (838507).

3678005 is a wasteful number, since it uses less digits than its factorization.

3678005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17155.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 3678005 is about 1917.8125560127. The cubic root of 3678005 is about 154.3609484716.

The spelling of 3678005 in words is "three million, six hundred seventy-eight thousand, five".