3161838 has 16 divisors (see below), whose sum is σ = 6478416. Its totient is φ = 1028160.

The previous prime is 3161819. The next prime is 3161857. The reversal of 3161838 is 8381613.

It is an interprime number because it is at equal distance from previous prime (3161819) and next prime (3161857).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6181 + ... + 6672.

It is an arithmetic number, because the mean of its divisors is an integer number (404901).

Almost surely, 2^3161838 is an apocalyptic number.

3161838 is an abundant number, since it is smaller than the sum of its proper divisors (3316578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161838 is a wasteful number, since it uses less digits than its factorization.

3161838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12899.

The product of its digits is 3456, while the sum is 30.

The square root of 3161838 is about 1778.1557862010. The cubic root of 3161838 is about 146.7731240412.

The spelling of 3161838 in words is "three million, one hundred sixty-one thousand, eight hundred thirty-eight".