99490784 has 24 divisors (see below), whose sum is σ = 197422848. Its totient is φ = 49351680.

The previous prime is 99490763. The next prime is 99490789. The reversal of 99490784 is 48709499.

It is a super-2 number, since 2×99490784² = 19796832201869312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99490789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8177 + ... + 16304.

It is an arithmetic number, because the mean of its divisors is an integer number (8225952).

Almost surely, 2^99490784 is an apocalyptic number.

It is an amenable number.

99490784 is a deficient number, since it is larger than the sum of its proper divisors (97932064).

99490784 is a wasteful number, since it uses less digits than its factorization.

99490784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24618 (or 24610 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 99490784 is about 9974.5067045945. The cubic root of 99490784 is about 463.3696851672.

The spelling of 99490784 in words is "ninety-nine million, four hundred ninety thousand, seven hundred eighty-four".