3916261 has 16 divisors (see below), whose sum is σ = 4364800. Its totient is φ = 3499200.

The previous prime is 3916229. The next prime is 3916271. The reversal of 3916261 is 1626193.

It is a 4-Lehmer number, since φ(3916261) divides (3916261-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 3916261 - 2⁵ = 3916229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3916271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35875 + ... + 35983.

It is an arithmetic number, because the mean of its divisors is an integer number (272800).

It is a Poulet number, since it divides 2^3916260-1.

Almost surely, 2^3916261 is an apocalyptic number.

3916261 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3916261 is a deficient number, since it is larger than the sum of its proper divisors (448539).

3916261 is a wasteful number, since it uses less digits than its factorization.

3916261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its digits is 1944, while the sum is 28.

The square root of 3916261 is about 1978.9545219636. The cubic root of 3916261 is about 157.6245558764.

The spelling of 3916261 in words is "three million, nine hundred sixteen thousand, two hundred sixty-one".