91326814 has 4 divisors (see below), whose sum is σ = 136990224. Its totient is φ = 45663406.

The previous prime is 91326811. The next prime is 91326817. The reversal of 91326814 is 41862319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41862319 = 113 ⋅370463.

It is an interprime number because it is at equal distance from previous prime (91326811) and next prime (91326817).

It is a self number, because there is not a number n which added to its sum of digits gives 91326814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91326811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22831702 + ... + 22831705.

It is an arithmetic number, because the mean of its divisors is an integer number (34247556).

Almost surely, 2^91326814 is an apocalyptic number.

91326814 is a deficient number, since it is larger than the sum of its proper divisors (45663410).

91326814 is a wasteful number, since it uses less digits than its factorization.

91326814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45663409.

The product of its digits is 10368, while the sum is 34.

The square root of 91326814 is about 9556.5063700078. The cubic root of 91326814 is about 450.3319591730.

The spelling of 91326814 in words is "ninety-one million, three hundred twenty-six thousand, eight hundred fourteen".