91413829 has 16 divisors (see below), whose sum is σ = 104227200. Its totient is φ = 79563456.

The previous prime is 91413827. The next prime is 91413853. The reversal of 91413829 is 92831419.

It is a cyclic number.

It is not a de Polignac number, because 91413829 - 2¹ = 91413827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91413821) 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, 13392 + ... + 19030.

It is an arithmetic number, because the mean of its divisors is an integer number (6514200).

Almost surely, 2^91413829 is an apocalyptic number.

It is an amenable number.

91413829 is a deficient number, since it is larger than the sum of its proper divisors (12813371).

91413829 is a wasteful number, since it uses less digits than its factorization.

91413829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724.

The product of its digits is 15552, while the sum is 37.

The square root of 91413829 is about 9561.0579435542. The cubic root of 91413829 is about 450.4749372504.

The spelling of 91413829 in words is "ninety-one million, four hundred thirteen thousand, eight hundred twenty-nine".