91412 has 6 divisors (see below), whose sum is σ = 159978. Its totient is φ = 45704.

The previous prime is 91411. The next prime is 91423. The reversal of 91412 is 21419.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64516 + 26896 = 254^2 + 164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11423 + ... + 11430.

It is an arithmetic number, because the mean of its divisors is an integer number (26663).

2⁹¹⁴¹² is an apocalyptic number.

It is an amenable number.

91412 is a deficient number, since it is larger than the sum of its proper divisors (68566).

91412 is a wasteful number, since it uses less digits than its factorization.

91412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22857 (or 22855 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 91412 is about 302.3441747413. The cubic root of 91412 is about 45.0471932876.

The spelling of 91412 in words is "ninety-one thousand, four hundred twelve".