3905607 has 16 divisors (see below), whose sum is σ = 5495040. Its totient is φ = 2467256.

The previous prime is 3905599. The next prime is 3905641. The reversal of 3905607 is 7065093.

It is not a de Polignac number, because 3905607 - 2³ = 3905599 is a prime.

3905607 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905677) 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, 36448 + ... + 36554.

It is an arithmetic number, because the mean of its divisors is an integer number (343440).

Almost surely, 2^3905607 is an apocalyptic number.

3905607 is a deficient number, since it is larger than the sum of its proper divisors (1589433).

3905607 is an equidigital number, since it uses as much as digits as its factorization.

3905607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 3905607 is about 1976.2608633478. The cubic root of 3905607 is about 157.4814893842.

The spelling of 3905607 in words is "three million, nine hundred five thousand, six hundred seven".