99409653 has 96 divisors (see below), whose sum is σ = 187269120. Its totient is φ = 50971680.

The previous prime is 99409637. The next prime is 99409669. The reversal of 99409653 is 35690499.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99409637) and next prime (99409669).

It is not a de Polignac number, because 99409653 - 2⁴ = 99409637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99409599 and 99409608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99409153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2115076 + ... + 2115122.

It is an arithmetic number, because the mean of its divisors is an integer number (1950720).

Almost surely, 2^99409653 is an apocalyptic number.

99409653 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

99409653 is a deficient number, since it is larger than the sum of its proper divisors (87859467).

99409653 is a wasteful number, since it uses less digits than its factorization.

99409653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 99409653 is about 9970.4389572375. The cubic root of 99409653 is about 463.2436973863.

The spelling of 99409653 in words is "ninety-nine million, four hundred nine thousand, six hundred fifty-three".