89247986 has 4 divisors (see below), whose sum is σ = 133871982. Its totient is φ = 44623992.

The previous prime is 89247979. The next prime is 89247989. The reversal of 89247986 is 68974298.

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

It can be written as a sum of positive squares in only one way, i.e., 60357361 + 28890625 = 7769^2 + 5375^2 .

It is not an unprimeable number, because it can be changed into a prime (89247989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22311995 + ... + 22311998.

Almost surely, 2^89247986 is an apocalyptic number.

89247986 is a deficient number, since it is larger than the sum of its proper divisors (44623996).

89247986 is a wasteful number, since it uses less digits than its factorization.

89247986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44623995.

The product of its digits is 1741824, while the sum is 53.

The square root of 89247986 is about 9447.1152210609. The cubic root of 89247986 is about 446.8888045094. Note that the first 4 decimals are identical.

The spelling of 89247986 in words is "eighty-nine million, two hundred forty-seven thousand, nine hundred eighty-six".