99487836 has 90 divisors (see below), whose sum is σ = 293634432. Its totient is φ = 28400400.

The previous prime is 99487823. The next prime is 99487841. The reversal of 99487836 is 63878499.

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 85861 + ... + 87011.

Almost surely, 2^99487836 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 99487836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146817216).

99487836 is an abundant number, since it is smaller than the sum of its proper divisors (194146596).

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

99487836 is a wasteful number, since it uses less digits than its factorization.

99487836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1163 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 99487836 is about 9974.3589267682. The cubic root of 99487836 is about 463.3651084374.

The spelling of 99487836 in words is "ninety-nine million, four hundred eighty-seven thousand, eight hundred thirty-six".