989133452 has 12 divisors (see below), whose sum is σ = 1743437640. Its totient is φ = 491008416.

The previous prime is 989133449. The next prime is 989133473. The reversal of 989133452 is 254331989.

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, 888953 + ... + 890064.

It is an arithmetic number, because the mean of its divisors is an integer number (145286470).

Almost surely, 2^989133452 is an apocalyptic number.

It is an amenable number.

989133452 is a deficient number, since it is larger than the sum of its proper divisors (754304188).

989133452 is a wasteful number, since it uses less digits than its factorization.

989133452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779160 (or 1779158 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 989133452 is about 31450.4920788213. The cubic root of 989133452 is about 996.3646173413.

The spelling of 989133452 in words is "nine hundred eighty-nine million, one hundred thirty-three thousand, four hundred fifty-two".