889634000 has 40 divisors (see below), whose sum is σ = 2151139848. Its totient is φ = 355852800.

The previous prime is 889633999. The next prime is 889634003. The reversal of 889634000 is 436988.

It can be written as a sum of positive squares in 4 ways, for example, as 19855936 + 869778064 = 4456^2 + 29492^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889634003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220409 + ... + 224408.

Almost surely, 2^889634000 is an apocalyptic number.

889634000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

889634000 is an abundant number, since it is smaller than the sum of its proper divisors (1261505848).

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

889634000 is a wasteful number, since it uses less digits than its factorization.

889634000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444840 (or 444824 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 889634000 is about 29826.7329756378. The cubic root of 889634000 is about 961.7682975504.

The spelling of 889634000 in words is "eight hundred eighty-nine million, six hundred thirty-four thousand".