983621442 has 8 divisors (see below), whose sum is σ = 1967242896. Its totient is φ = 327873812.

The previous prime is 983621389. The next prime is 983621467. The reversal of 983621442 is 244126389.

983621442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

983621442 is an admirable number.

It is a super-2 number, since 2×983621442² = 1935022282324318728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 983621442.

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, 81968448 + ... + 81968459.

It is an arithmetic number, because the mean of its divisors is an integer number (245905362).

Almost surely, 2^983621442 is an apocalyptic number.

983621442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

983621442 is a wasteful number, since it uses less digits than its factorization.

983621442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163936912.

The product of its digits is 82944, while the sum is 39.

The square root of 983621442 is about 31362.7397081314. The cubic root of 983621442 is about 994.5104001040.

The spelling of 983621442 in words is "nine hundred eighty-three million, six hundred twenty-one thousand, four hundred forty-two".