99690241 has 8 divisors (see below), whose sum is σ = 114060800. Its totient is φ = 85351968.

The previous prime is 99690223. The next prime is 99690251. The reversal of 99690241 is 14209699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99690241 - 2¹⁹ = 99165953 is a prime.

It is the 9985-th Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 99690194 and 99690203.

It is not an unprimeable number, because it can be changed into a prime (99690251) by changing a digit.

It is a nontrivial repunit in base 9984.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 14158.

It is an arithmetic number, because the mean of its divisors is an integer number (14257600).

Almost surely, 2^99690241 is an apocalyptic number.

It is an amenable number.

99690241 is a deficient number, since it is larger than the sum of its proper divisors (14370559).

99690241 is a wasteful number, since it uses less digits than its factorization.

99690241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16143.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 99690241 is about 9984.5000375582. The cubic root of 99690241 is about 463.6791296879.

The spelling of 99690241 in words is "ninety-nine million, six hundred ninety thousand, two hundred forty-one".