91849395 has 32 divisors (see below), whose sum is σ = 161821440. Its totient is φ = 44115840.

The previous prime is 91849379. The next prime is 91849399. The reversal of 91849395 is 59394819.

It is not a de Polignac number, because 91849395 - 2⁴ = 91849379 is a prime.

It is a super-2 number, since 2×91849395² = 16872622723732050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91849399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15432 + ... + 20538.

It is an arithmetic number, because the mean of its divisors is an integer number (5056920).

Almost surely, 2^91849395 is an apocalyptic number.

91849395 is a deficient number, since it is larger than the sum of its proper divisors (69972045).

91849395 is a wasteful number, since it uses less digits than its factorization.

91849395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235.

The product of its digits is 349920, while the sum is 48.

The square root of 91849395 is about 9583.8090026878. The cubic root of 91849395 is about 451.1892739343.

The spelling of 91849395 in words is "ninety-one million, eight hundred forty-nine thousand, three hundred ninety-five".