3167641 has 4 divisors (see below), whose sum is σ = 3276900. Its totient is φ = 3058384.

The previous prime is 3167621. The next prime is 3167653. The reversal of 3167641 is 1467613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1467613 = 7 ⋅209659.

It can be written as a sum of positive squares in 2 ways, for example, as 2175625 + 992016 = 1475^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 3167641 - 2⁷ = 3167513 is a prime.

It is a Duffinian number.

3167641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3167621) 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, 54586 + ... + 54643.

It is an arithmetic number, because the mean of its divisors is an integer number (819225).

Almost surely, 2^3167641 is an apocalyptic number.

It is an amenable number.

3167641 is a deficient number, since it is larger than the sum of its proper divisors (109259).

3167641 is a wasteful number, since it uses less digits than its factorization.

3167641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109258.

The product of its digits is 3024, while the sum is 28.

The square root of 3167641 is about 1779.7867849830. The cubic root of 3167641 is about 146.8628612874.

Subtracting from 3167641 its sum of digits (28), we obtain a palindrome (3167613).

The spelling of 3167641 in words is "three million, one hundred sixty-seven thousand, six hundred forty-one".