989242 has 4 divisors (see below), whose sum is σ = 1483866. Its totient is φ = 494620.

The previous prime is 989239. The next prime is 989249. The reversal of 989242 is 242989.

989242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 707281 + 281961 = 841^2 + 531^2 .

It is a junction number, because it is equal to n+sod(n) for n = 989198 and 989207.

It is not an unprimeable number, because it can be changed into a prime (989249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247309 + ... + 247312.

2⁹⁸⁹²⁴² is an apocalyptic number.

989242 is a deficient number, since it is larger than the sum of its proper divisors (494624).

989242 is a wasteful number, since it uses less digits than its factorization.

989242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494623.

The product of its digits is 10368, while the sum is 34.

The square root of 989242 is about 994.6064548353. The cubic root of 989242 is about 99.6401063192.

The spelling of 989242 in words is "nine hundred eighty-nine thousand, two hundred forty-two".