9705099 has 4 divisors (see below), whose sum is σ = 12940136. Its totient is φ = 6470064.

The previous prime is 9705097. The next prime is 9705121. The reversal of 9705099 is 9905079.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9705099 - 2¹ = 9705097 is a prime.

It is a Duffinian number.

9705099 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9705097) 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, 1617514 + ... + 1617519.

It is an arithmetic number, because the mean of its divisors is an integer number (3235034).

Almost surely, 2^9705099 is an apocalyptic number.

9705099 is a deficient number, since it is larger than the sum of its proper divisors (3235037).

9705099 is a wasteful number, since it uses less digits than its factorization.

9705099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235036.

The product of its (nonzero) digits is 25515, while the sum is 39.

The square root of 9705099 is about 3115.3007880460. The cubic root of 9705099 is about 213.3044863881.

The spelling of 9705099 in words is "nine million, seven hundred five thousand, ninety-nine".