91852969 has 16 divisors (see below), whose sum is σ = 102574080. Its totient is φ = 81679680.

The previous prime is 91852933. The next prime is 91852979. The reversal of 91852969 is 96925819.

It is a cyclic number.

It is not a de Polignac number, because 91852969 - 2¹⁹ = 91328681 is a prime.

It is a super-2 number, since 2×91852969² = 16873935828229922, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (349920) is a multiple of the sum of its prime divisors (1080).

It is not an unprimeable number, because it can be changed into a prime (91852909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127392 + ... + 128110.

It is an arithmetic number, because the mean of its divisors is an integer number (6410880).

Almost surely, 2^91852969 is an apocalyptic number.

It is an amenable number.

91852969 is a deficient number, since it is larger than the sum of its proper divisors (10721111).

91852969 is a wasteful number, since it uses less digits than its factorization.

91852969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its digits is 349920, while the sum is 49.

The square root of 91852969 is about 9583.9954611842. The cubic root of 91852969 is about 451.1951260125.

The spelling of 91852969 in words is "ninety-one million, eight hundred fifty-two thousand, nine hundred sixty-nine".