989347242 has 16 divisors (see below), whose sum is σ = 2130901920. Its totient is φ = 304414512.

The previous prime is 989347241. The next prime is 989347243. The reversal of 989347242 is 242743989.

It is an interprime number because it is at equal distance from previous prime (989347241) and next prime (989347243).

It is a junction number, because it is equal to n+sod(n) for n = 989347191 and 989347200.

It is not an unprimeable number, because it can be changed into a prime (989347241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6341892 + ... + 6342047.

It is an arithmetic number, because the mean of its divisors is an integer number (133181370).

Almost surely, 2^989347242 is an apocalyptic number.

989347242 is an abundant number, since it is smaller than the sum of its proper divisors (1141554678).

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

989347242 is a wasteful number, since it uses less digits than its factorization.

989347242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683957.

The product of its digits is 870912, while the sum is 48.

The square root of 989347242 is about 31453.8907291292. The cubic root of 989347242 is about 996.4363964817.

The spelling of 989347242 in words is "nine hundred eighty-nine million, three hundred forty-seven thousand, two hundred forty-two".