982612091 has 4 divisors (see below), whose sum is σ = 983884032. Its totient is φ = 981340152.

The previous prime is 982612073. The next prime is 982612093. The reversal of 982612091 is 190216289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190216289 = 211 ⋅901499.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-982612091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982612093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634811 + ... + 636356.

It is an arithmetic number, because the mean of its divisors is an integer number (245971008).

Almost surely, 2^982612091 is an apocalyptic number.

982612091 is a deficient number, since it is larger than the sum of its proper divisors (1271941).

982612091 is a wasteful number, since it uses less digits than its factorization.

982612091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271940.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 982612091 is about 31346.6440149500. The cubic root of 982612091 is about 994.1701087494.

The spelling of 982612091 in words is "nine hundred eighty-two million, six hundred twelve thousand, ninety-one".