99669504 has 160 divisors (see below), whose sum is σ = 307587456. Its totient is φ = 28344320.

The previous prime is 99669461. The next prime is 99669539. The reversal of 99669504 is 40596699.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287059 + ... + 287405.

Almost surely, 2^99669504 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 99669504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153793728).

99669504 is an abundant number, since it is smaller than the sum of its proper divisors (207917952).

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

99669504 is a wasteful number, since it uses less digits than its factorization.

99669504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 99669504 is about 9983.4615239405. The cubic root of 99669504 is about 463.6469768218.

It can be divided in two parts, 996 and 69504, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 99669504 in words is "ninety-nine million, six hundred sixty-nine thousand, five hundred four".