983489666 has 8 divisors (see below), whose sum is σ = 1552878480. Its totient is φ = 465863508.

The previous prime is 983489599. The next prime is 983489687. The reversal of 983489666 is 666984389.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12940616 + ... + 12940691.

It is an arithmetic number, because the mean of its divisors is an integer number (194109810).

Almost surely, 2^983489666 is an apocalyptic number.

983489666 is a deficient number, since it is larger than the sum of its proper divisors (569388814).

983489666 is a wasteful number, since it uses less digits than its factorization.

983489666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25881328.

The product of its digits is 13436928, while the sum is 59.

The square root of 983489666 is about 31360.6388008918. The cubic root of 983489666 is about 994.4659865218.

The spelling of 983489666 in words is "nine hundred eighty-three million, four hundred eighty-nine thousand, six hundred sixty-six".