989486 has 4 divisors (see below), whose sum is σ = 1484232. Its totient is φ = 494742.

The previous prime is 989479. The next prime is 989507. The reversal of 989486 is 684989.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247370 + ... + 247373.

It is an arithmetic number, because the mean of its divisors is an integer number (371058).

2⁹⁸⁹⁴⁸⁶ is an apocalyptic number.

989486 is a deficient number, since it is larger than the sum of its proper divisors (494746).

989486 is a wasteful number, since it uses less digits than its factorization.

989486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494745.

The product of its digits is 124416, while the sum is 44.

The square root of 989486 is about 994.7291088533. The cubic root of 989486 is about 99.6482978394.

The spelling of 989486 in words is "nine hundred eighty-nine thousand, four hundred eighty-six".