91854285 has 8 divisors (see below), whose sum is σ = 146966880. Its totient is φ = 48988944.

The previous prime is 91854283. The next prime is 91854307. The reversal of 91854285 is 58245819.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91854285 - 2¹ = 91854283 is a prime.

It is a super-2 number, since 2×91854285² = 16874419345722450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91854283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061795 + ... + 3061824.

It is an arithmetic number, because the mean of its divisors is an integer number (18370860).

Almost surely, 2^91854285 is an apocalyptic number.

It is an amenable number.

91854285 is a deficient number, since it is larger than the sum of its proper divisors (55112595).

91854285 is a wasteful number, since it uses less digits than its factorization.

91854285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123627.

The product of its digits is 115200, while the sum is 42.

The square root of 91854285 is about 9584.0641170643. The cubic root of 91854285 is about 451.1972807966.

The spelling of 91854285 in words is "ninety-one million, eight hundred fifty-four thousand, two hundred eighty-five".