91314424 has 8 divisors (see below), whose sum is σ = 171214560. Its totient is φ = 45657208.

The previous prime is 91314407. The next prime is 91314427. The reversal of 91314424 is 42441319.

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

It is a junction number, because it is equal to n+sod(n) for n = 91314392 and 91314401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91314427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707144 + ... + 5707159.

It is an arithmetic number, because the mean of its divisors is an integer number (21401820).

Almost surely, 2^91314424 is an apocalyptic number.

It is an amenable number.

91314424 is a deficient number, since it is larger than the sum of its proper divisors (79900136).

91314424 is a wasteful number, since it uses less digits than its factorization.

91314424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414309 (or 11414305 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 91314424 is about 9555.8580985697. The cubic root of 91314424 is about 450.3115932474.

The spelling of 91314424 in words is "ninety-one million, three hundred fourteen thousand, four hundred twenty-four".