91369441 has 16 divisors (see below), whose sum is σ = 99320256. Its totient is φ = 83736576.

The previous prime is 91369433. The next prime is 91369463. The reversal of 91369441 is 14496319.

It is a cyclic number.

It is not a de Polignac number, because 91369441 - 2³ = 91369433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91369441.

It is not an unprimeable number, because it can be changed into a prime (91366441) 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, 110070 + ... + 110896.

It is an arithmetic number, because the mean of its divisors is an integer number (6207516).

Almost surely, 2^91369441 is an apocalyptic number.

It is an amenable number.

91369441 is a deficient number, since it is larger than the sum of its proper divisors (7950815).

91369441 is a wasteful number, since it uses less digits than its factorization.

91369441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its digits is 23328, while the sum is 37.

The square root of 91369441 is about 9558.7363704624. The cubic root of 91369441 is about 450.4020127667.

The spelling of 91369441 in words is "ninety-one million, three hundred sixty-nine thousand, four hundred forty-one".