99990265 has 8 divisors (see below), whose sum is σ = 122779008. Its totient is φ = 78131760.

The previous prime is 99990263. The next prime is 99990281. The reversal of 99990265 is 56209999.

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

It is not a de Polignac number, because 99990265 - 2¹ = 99990263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99990263) 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 7 ways as a sum of consecutive naturals, for example, 232321 + ... + 232750.

It is an arithmetic number, because the mean of its divisors is an integer number (15347376).

Almost surely, 2^99990265 is an apocalyptic number.

It is an amenable number.

99990265 is a deficient number, since it is larger than the sum of its proper divisors (22788743).

99990265 is a wasteful number, since it uses less digits than its factorization.

99990265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465119.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 99990265 is about 9999.5132381531. The cubic root of 99990265 is about 464.1438209167.

The spelling of 99990265 in words is "ninety-nine million, nine hundred ninety thousand, two hundred sixty-five".