91286741 has 16 divisors (see below), whose sum is σ = 112581504. Its totient is φ = 72080064.

The previous prime is 91286687. The next prime is 91286743. The reversal of 91286741 is 14768219.

It is not a de Polignac number, because 91286741 - 2²⁶ = 24177877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91286695 and 91286704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91286743) 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, 74651 + ... + 75863.

It is an arithmetic number, because the mean of its divisors is an integer number (7036344).

Almost surely, 2^91286741 is an apocalyptic number.

91286741 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

91286741 is a deficient number, since it is larger than the sum of its proper divisors (21294763).

91286741 is a wasteful number, since it uses less digits than its factorization.

91286741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its digits is 24192, while the sum is 38.

The square root of 91286741 is about 9554.4095055634. The cubic root of 91286741 is about 450.2660829646.

The spelling of 91286741 in words is "ninety-one million, two hundred eighty-six thousand, seven hundred forty-one".