6699099 has 16 divisors (see below), whose sum is σ = 9972864. Its totient is φ = 3964800.

The previous prime is 6699097. The next prime is 6699101. The reversal of 6699099 is 9909966.

It is an interprime number because it is at equal distance from previous prime (6699097) and next prime (6699101).

It is not a de Polignac number, because 6699099 - 2¹ = 6699097 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6699097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942 + ... + 3779.

It is an arithmetic number, because the mean of its divisors is an integer number (623304).

Almost surely, 2^6699099 is an apocalyptic number.

6699099 is a deficient number, since it is larger than the sum of its proper divisors (3273765).

6699099 is a wasteful number, since it uses less digits than its factorization.

6699099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778.

The product of its (nonzero) digits is 236196, while the sum is 48.

The square root of 6699099 is about 2588.2617719234. The cubic root of 6699099 is about 188.5119121339.

The spelling of 6699099 in words is "six million, six hundred ninety-nine thousand, ninety-nine".