91849094 has 16 divisors (see below), whose sum is σ = 144347136. Its totient is φ = 43777800.

The previous prime is 91849091. The next prime is 91849099. The reversal of 91849094 is 49094819.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91849091) 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, 6902 + ... + 15209.

It is an arithmetic number, because the mean of its divisors is an integer number (9021696).

Almost surely, 2^91849094 is an apocalyptic number.

91849094 is a deficient number, since it is larger than the sum of its proper divisors (52498042).

91849094 is a wasteful number, since it uses less digits than its factorization.

91849094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22211.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 91849094 is about 9583.7932991066. The cubic root of 91849094 is about 451.1887810690.

The spelling of 91849094 in words is "ninety-one million, eight hundred forty-nine thousand, ninety-four".