291412 has 24 divisors (see below), whose sum is σ = 574560. Its totient is φ = 128160.

The previous prime is 291377. The next prime is 291419. The reversal of 291412 is 214192.

291412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 291412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (291419) by changing a digit.

291412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2²⁹¹⁴¹² is an apocalyptic number.

291412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

291412 is a deficient number, since it is larger than the sum of its proper divisors (283148).

291412 is a wasteful number, since it uses less digits than its factorization.

291412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 291412 is about 539.8258978597. The cubic root of 291412 is about 66.2983129258.

It can be divided in two parts, 2914 and 12, that added together give a triangular number (2926 = T₇₆).

The spelling of 291412 in words is "two hundred ninety-one thousand, four hundred twelve".