91246486 has 4 divisors (see below), whose sum is σ = 136869732. Its totient is φ = 45623242.

The previous prime is 91246481. The next prime is 91246487. The reversal of 91246486 is 68464219.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91246481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22811620 + ... + 22811623.

It is an arithmetic number, because the mean of its divisors is an integer number (34217433).

Almost surely, 2^91246486 is an apocalyptic number.

91246486 is a deficient number, since it is larger than the sum of its proper divisors (45623246).

91246486 is a wasteful number, since it uses less digits than its factorization.

91246486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45623245.

The product of its digits is 82944, while the sum is 40.

The square root of 91246486 is about 9552.3026543342. The cubic root of 91246486 is about 450.1998881521.

The spelling of 91246486 in words is "ninety-one million, two hundred forty-six thousand, four hundred eighty-six".