89650000 has 120 divisors (see below), whose sum is σ = 238297248. Its totient is φ = 32400000.

The previous prime is 89649997. The next prime is 89650007. The reversal of 89650000 is 5698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89650007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549919 + ... + 550081.

Almost surely, 2^89650000 is an apocalyptic number.

89650000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119148624).

89650000 is an abundant number, since it is smaller than the sum of its proper divisors (148647248).

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

89650000 is a wasteful number, since it uses less digits than its factorization.

89650000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 89650000 is about 9468.3683916502. The cubic root of 89650000 is about 447.5587971389.

Adding to 89650000 its reverse (5698), we get a palindrome (89655698).

The spelling of 89650000 in words is "eighty-nine million, six hundred fifty thousand".