3905495 has 16 divisors (see below), whose sum is σ = 5414688. Its totient is φ = 2672640.

The previous prime is 3905491. The next prime is 3905501. The reversal of 3905495 is 5945093.

It is not a de Polignac number, because 3905495 - 2² = 3905491 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 (3905491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (338418).

Almost surely, 2^3905495 is an apocalyptic number.

3905495 is a deficient number, since it is larger than the sum of its proper divisors (1509193).

3905495 is a wasteful number, since it uses less digits than its factorization.

3905495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 3905495 is about 1976.2325268045. The cubic root of 3905495 is about 157.4799840189.

It can be divided in two parts, 390 and 5495, that added together give a palindrome (5885).

The spelling of 3905495 in words is "three million, nine hundred five thousand, four hundred ninety-five".