99499000 has 128 divisors (see below), whose sum is σ = 249350400. Its totient is φ = 37094400.

The previous prime is 99498983. The next prime is 99499003. The reversal of 99499000 is 99499.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99499003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1362964 + ... + 1363036.

It is an arithmetic number, because the mean of its divisors is an integer number (1948050).

Almost surely, 2^99499000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99499000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124675200).

99499000 is an abundant number, since it is smaller than the sum of its proper divisors (149851400).

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

99499000 is a wasteful number, since it uses less digits than its factorization.

99499000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 99499000 is about 9974.9185460333. The cubic root of 99499000 is about 463.3824399183.

99499000 divided by its reverse (99499) gives a cube (1000 = 10³).

The spelling of 99499000 in words is "ninety-nine million, four hundred ninety-nine thousand".