3161239 has 8 divisors (see below), whose sum is σ = 3344000. Its totient is φ = 2980152.

The previous prime is 3161237. The next prime is 3161273. The reversal of 3161239 is 9321613.

3161239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3161239 - 2¹ = 3161237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6982 + ... + 7420.

It is an arithmetic number, because the mean of its divisors is an integer number (418000).

Almost surely, 2^3161239 is an apocalyptic number.

3161239 is a deficient number, since it is larger than the sum of its proper divisors (182761).

3161239 is a wasteful number, since it uses less digits than its factorization.

3161239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837.

The product of its digits is 972, while the sum is 25.

The square root of 3161239 is about 1777.9873452868. The cubic root of 3161239 is about 146.7638548910.

The spelling of 3161239 in words is "three million, one hundred sixty-one thousand, two hundred thirty-nine".