989265634 has 8 divisors (see below), whose sum is σ = 1695883968. Its totient is φ = 423970980.

The previous prime is 989265631. The next prime is 989265643. The reversal of 989265634 is 436562989.

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

It is a super-2 number, since 2×989265634² = 1957292989226843912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (989265631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35330902 + ... + 35330929.

It is an arithmetic number, because the mean of its divisors is an integer number (211985496).

Almost surely, 2^989265634 is an apocalyptic number.

989265634 is a deficient number, since it is larger than the sum of its proper divisors (706618334).

989265634 is a wasteful number, since it uses less digits than its factorization.

989265634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70661840.

The product of its digits is 2799360, while the sum is 52.

The square root of 989265634 is about 31452.5934383796. The cubic root of 989265634 is about 996.4089981413.

The spelling of 989265634 in words is "nine hundred eighty-nine million, two hundred sixty-five thousand, six hundred thirty-four".