91000982 has 8 divisors (see below), whose sum is σ = 140190816. Its totient is φ = 44270712.

The previous prime is 91000981. The next prime is 91000999. The reversal of 91000982 is 28900019.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91000981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614798 + ... + 614945.

It is an arithmetic number, because the mean of its divisors is an integer number (17523852).

Almost surely, 2^91000982 is an apocalyptic number.

91000982 is a deficient number, since it is larger than the sum of its proper divisors (49189834).

91000982 is a wasteful number, since it uses less digits than its factorization.

91000982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229782.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 91000982 is about 9539.4434848161. The cubic root of 91000982 is about 449.7957624626.

The spelling of 91000982 in words is "ninety-one million, nine hundred eighty-two", and thus it is an aban number.