3161386 has 8 divisors (see below), whose sum is σ = 4820004. Its totient is φ = 1554720.

The previous prime is 3161351. The next prime is 3161407. The reversal of 3161386 is 6831613.

It can be written as a sum of positive squares in 2 ways, for example, as 2975625 + 185761 = 1725^2 + 431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3161386² = 19988722881992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12835 + ... + 13078.

Almost surely, 2^3161386 is an apocalyptic number.

3161386 is a deficient number, since it is larger than the sum of its proper divisors (1658618).

3161386 is a wasteful number, since it uses less digits than its factorization.

3161386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25976.

The product of its digits is 2592, while the sum is 28.

The square root of 3161386 is about 1778.0286836831. The cubic root of 3161386 is about 146.7661297324.

Adding to 3161386 its reverse (6831613), we get a palindrome (9992999).

The spelling of 3161386 in words is "three million, one hundred sixty-one thousand, three hundred eighty-six".