989853442 has 8 divisors (see below), whose sum is σ = 1485576000. Its totient is φ = 494661444.

The previous prime is 989853437. The next prime is 989853451. The reversal of 989853442 is 244358989.

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

It is a self number, because there is not a number n which added to its sum of digits gives 989853442.

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, 127942 + ... + 135457.

It is an arithmetic number, because the mean of its divisors is an integer number (185697000).

Almost surely, 2^989853442 is an apocalyptic number.

989853442 is a deficient number, since it is larger than the sum of its proper divisors (495722558).

989853442 is a wasteful number, since it uses less digits than its factorization.

989853442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265280.

The product of its digits is 2488320, while the sum is 52.

The square root of 989853442 is about 31461.9363994017. The cubic root of 989853442 is about 996.6063098960.

The spelling of 989853442 in words is "nine hundred eighty-nine million, eight hundred fifty-three thousand, four hundred forty-two".