91384046 has 24 divisors (see below), whose sum is σ = 153566280. Its totient is φ = 40718496.

The previous prime is 91384009. The next prime is 91384057. The reversal of 91384046 is 64048319.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91383997 and 91384015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5141 + ... + 14463.

It is an arithmetic number, because the mean of its divisors is an integer number (6398595).

Almost surely, 2^91384046 is an apocalyptic number.

91384046 is a deficient number, since it is larger than the sum of its proper divisors (62182234).

91384046 is a wasteful number, since it uses less digits than its factorization.

91384046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380 (or 9367 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 91384046 is about 9559.5003007479. The cubic root of 91384046 is about 450.4260097430.

The spelling of 91384046 in words is "ninety-one million, three hundred eighty-four thousand, forty-six".