3906115 has 8 divisors (see below), whose sum is σ = 4934160. Its totient is φ = 2960352.

The previous prime is 3906109. The next prime is 3906137. The reversal of 3906115 is 5116093.

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

It is not a de Polignac number, because 3906115 - 2⁷ = 3905987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3906115.

It is a congruent 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, 20464 + ... + 20653.

It is an arithmetic number, because the mean of its divisors is an integer number (616770).

Almost surely, 2^3906115 is an apocalyptic number.

3906115 is a deficient number, since it is larger than the sum of its proper divisors (1028045).

3906115 is a wasteful number, since it uses less digits than its factorization.

3906115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41141.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 3906115 is about 1976.3893847114. The cubic root of 3906115 is about 157.4883169296.

The spelling of 3906115 in words is "three million, nine hundred six thousand, one hundred fifteen".