99670500 has 240 divisors, whose sum is σ = 342486144. Its totient is φ = 25185600.

The previous prime is 99670499. The next prime is 99670553. The reversal of 99670500 is 507699.

99670500 is a `hidden beast` number, since 99 + 67 + 0 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 931447 + ... + 931553.

Almost surely, 2^99670500 is an apocalyptic number.

99670500 is a gapful number since it is divisible by the number (90) 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 99670500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171243072).

99670500 is an abundant number, since it is smaller than the sum of its proper divisors (242815644).

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

99670500 is a wasteful number, since it uses less digits than its factorization.

99670500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 99670500 is about 9983.5114063139. The cubic root of 99670500 is about 463.6485212289.

The spelling of 99670500 in words is "ninety-nine million, six hundred seventy thousand, five hundred".