983935990 has 32 divisors (see below), whose sum is σ = 1823199840. Its totient is φ = 382147584.

The previous prime is 983935907. The next prime is 983935991. The reversal of 983935990 is 99539389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983935991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41841 + ... + 60979.

It is an arithmetic number, because the mean of its divisors is an integer number (56974995).

Almost surely, 2^983935990 is an apocalyptic number.

983935990 is a deficient number, since it is larger than the sum of its proper divisors (839263850).

983935990 is a wasteful number, since it uses less digits than its factorization.

983935990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19296.

The product of its (nonzero) digits is 2361960, while the sum is 55.

The square root of 983935990 is about 31367.7539839881. The cubic root of 983935990 is about 994.6163988499.

The spelling of 983935990 in words is "nine hundred eighty-three million, nine hundred thirty-five thousand, nine hundred ninety".