989435226 has 32 divisors (see below), whose sum is σ = 2132746560. Its totient is φ = 304205184.

The previous prime is 989435191. The next prime is 989435257. The reversal of 989435226 is 622534989.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114630 + ... + 122958.

It is an arithmetic number, because the mean of its divisors is an integer number (66648330).

Almost surely, 2^989435226 is an apocalyptic number.

989435226 is an abundant number, since it is smaller than the sum of its proper divisors (1143311334).

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

989435226 is a wasteful number, since it uses less digits than its factorization.

989435226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9870.

The product of its digits is 933120, while the sum is 48.

The square root of 989435226 is about 31455.2893167429. The cubic root of 989435226 is about 996.4659337555.

The spelling of 989435226 in words is "nine hundred eighty-nine million, four hundred thirty-five thousand, two hundred twenty-six".