3962261 has 4 divisors (see below), whose sum is σ = 3982572. Its totient is φ = 3941952.

The previous prime is 3962251. The next prime is 3962269. The reversal of 3962261 is 1622693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2193361 + 1768900 = 1481^2 + 1330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3962261 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 9⁵ + 6⁸ + 2³ + 2¹⁹ + 6⁸ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3962269) 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 3 ways as a sum of consecutive naturals, for example, 9860 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (995643).

Almost surely, 2^3962261 is an apocalyptic number.

It is an amenable number.

3962261 is a deficient number, since it is larger than the sum of its proper divisors (20311).

3962261 is a wasteful number, since it uses less digits than its factorization.

3962261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20310.

The product of its digits is 3888, while the sum is 29.

The square root of 3962261 is about 1990.5428907713. The cubic root of 3962261 is about 158.2393024938.

The spelling of 3962261 in words is "three million, nine hundred sixty-two thousand, two hundred sixty-one".