889249572 has 18 divisors (see below), whose sum is σ = 2247825398. Its totient is φ = 296416512.

The previous prime is 889249567. The next prime is 889249579. The reversal of 889249572 is 275942988.

889249572 is a `hidden beast` number, since 8 + 89 + 2 + 495 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 464230116 + 425019456 = 21546^2 + 20616^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×889249572³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (889249579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12350653 + ... + 12350724.

Almost surely, 2^889249572 is an apocalyptic number.

It is an amenable number.

889249572 is an abundant number, since it is smaller than the sum of its proper divisors (1358575826).

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

889249572 is a wasteful number, since it uses less digits than its factorization.

889249572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24701387 (or 24701382 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 889249572 is about 29820.2879261754. The cubic root of 889249572 is about 961.6297447178.

The spelling of 889249572 in words is "eight hundred eighty-nine million, two hundred forty-nine thousand, five hundred seventy-two".