3906507 has 16 divisors (see below), whose sum is σ = 5816448. Its totient is φ = 2311680.

The previous prime is 3906493. The next prime is 3906541. The reversal of 3906507 is 7056093.

It is not a de Polignac number, because 3906507 - 2¹⁶ = 3840971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3906547) 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, 43 + ... + 2795.

It is an arithmetic number, because the mean of its divisors is an integer number (363528).

Almost surely, 2^3906507 is an apocalyptic number.

3906507 is a deficient number, since it is larger than the sum of its proper divisors (1909941).

3906507 is a wasteful number, since it uses less digits than its factorization.

3906507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810.

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

The square root of 3906507 is about 1976.4885529646. The cubic root of 3906507 is about 157.4935850247.

The spelling of 3906507 in words is "three million, nine hundred six thousand, five hundred seven".