983890478 has 8 divisors (see below), whose sum is σ = 1479947760. Its totient is φ = 490574560.

The previous prime is 983890459. The next prime is 983890499. The reversal of 983890478 is 874098389.

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

It is a congruent number.

It is an unprimeable number.

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, 684443 + ... + 685878.

It is an arithmetic number, because the mean of its divisors is an integer number (184993470).

Almost surely, 2^983890478 is an apocalyptic number.

983890478 is a deficient number, since it is larger than the sum of its proper divisors (496057282).

983890478 is a wasteful number, since it uses less digits than its factorization.

983890478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370682.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 983890478 is about 31367.0285172185. The cubic root of 983890478 is about 994.6010632725.

The spelling of 983890478 in words is "nine hundred eighty-three million, eight hundred ninety thousand, four hundred seventy-eight".