3962161 has 4 divisors (see below), whose sum is σ = 4528192. Its totient is φ = 3396132.

The previous prime is 3962143. The next prime is 3962201. The reversal of 3962161 is 1612693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3962161 - 2⁹ = 3961649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3962461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283005 + ... + 283018.

It is an arithmetic number, because the mean of its divisors is an integer number (1132048).

Almost surely, 2^3962161 is an apocalyptic number.

It is an amenable number.

3962161 is a deficient number, since it is larger than the sum of its proper divisors (566031).

3962161 is an equidigital number, since it uses as much as digits as its factorization.

3962161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566030.

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

The square root of 3962161 is about 1990.5177718373. The cubic root of 3962161 is about 158.2379712620.

The spelling of 3962161 in words is "three million, nine hundred sixty-two thousand, one hundred sixty-one".