3163391 has 12 divisors (see below), whose sum is σ = 4015080. Its totient is φ = 2464560.

The previous prime is 3163387. The next prime is 3163409. The reversal of 3163391 is 1933613.

It is not a de Polignac number, because 3163391 - 2² = 3163387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3163391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3163331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2396 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (334590).

Almost surely, 2^3163391 is an apocalyptic number.

3163391 is a deficient number, since it is larger than the sum of its proper divisors (851689).

3163391 is a wasteful number, since it uses less digits than its factorization.

3163391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894 (or 5887 counting only the distinct ones).

The product of its digits is 1458, while the sum is 26.

The square root of 3163391 is about 1778.5924209891. The cubic root of 3163391 is about 146.7971502935.

The spelling of 3163391 in words is "three million, one hundred sixty-three thousand, three hundred ninety-one".