91484312 has 16 divisors (see below), whose sum is σ = 171686400. Its totient is φ = 45701280.

The previous prime is 91484311. The next prime is 91484321. The reversal of 91484312 is 21348419.

It is a happy number.

It is a super-2 number, since 2×91484312² = 16738758684226688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91484311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762 + ... + 14702.

It is an arithmetic number, because the mean of its divisors is an integer number (10730400).

Almost surely, 2^91484312 is an apocalyptic number.

It is an amenable number.

91484312 is a deficient number, since it is larger than the sum of its proper divisors (80202088).

91484312 is a wasteful number, since it uses less digits than its factorization.

91484312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226 (or 10222 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 91484312 is about 9564.7431748061. The cubic root of 91484312 is about 450.5906843918.

The spelling of 91484312 in words is "ninety-one million, four hundred eighty-four thousand, three hundred twelve".