3949105 has 8 divisors (see below), whose sum is σ = 4761000. Its totient is φ = 3144576.

The previous prime is 3949097. The next prime is 3949109. The reversal of 3949105 is 5019493.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 3751969 = 444^2 + 1937^2 .

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 3949105 - 2³ = 3949097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3949109) 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, 580 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (595125).

Almost surely, 2^3949105 is an apocalyptic number.

It is an amenable number.

3949105 is a deficient number, since it is larger than the sum of its proper divisors (811895).

3949105 is a wasteful number, since it uses less digits than its factorization.

3949105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 3949105 is about 1987.2355169934. The cubic root of 3949105 is about 158.0639729194.

The spelling of 3949105 in words is "three million, nine hundred forty-nine thousand, one hundred five".