3161272 has 8 divisors (see below), whose sum is σ = 5927400. Its totient is φ = 1580632.

The previous prime is 3161237. The next prime is 3161273. The reversal of 3161272 is 2721613.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197572 + ... + 197587.

It is an arithmetic number, because the mean of its divisors is an integer number (740925).

Almost surely, 2^3161272 is an apocalyptic number.

It is an amenable number.

3161272 is a deficient number, since it is larger than the sum of its proper divisors (2766128).

3161272 is a wasteful number, since it uses less digits than its factorization.

3161272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395165 (or 395161 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 3161272 is about 1777.9966254186. The cubic root of 3161272 is about 146.7643655758.

Adding to 3161272 its reverse (2721613), we get a palindrome (5882885).

It can be divided in two parts, 31612 and 72, that added together give a square (31684 = 178²).

The spelling of 3161272 in words is "three million, one hundred sixty-one thousand, two hundred seventy-two".