91736949 has 16 divisors (see below), whose sum is σ = 131087232. Its totient is φ = 56916288.

The previous prime is 91736929. The next prime is 91736951. The reversal of 91736949 is 94963719.

It is not a de Polignac number, because 91736949 - 2¹¹ = 91734901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91736898 and 91736907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91736929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15414 + ... + 20519.

It is an arithmetic number, because the mean of its divisors is an integer number (8192952).

Almost surely, 2^91736949 is an apocalyptic number.

It is an amenable number.

91736949 is a deficient number, since it is larger than the sum of its proper divisors (39350283).

91736949 is a wasteful number, since it uses less digits than its factorization.

91736949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35996.

The product of its digits is 367416, while the sum is 48.

The square root of 91736949 is about 9577.9407494513. The cubic root of 91736949 is about 451.0050769418.

The spelling of 91736949 in words is "ninety-one million, seven hundred thirty-six thousand, nine hundred forty-nine".