106399099 has 4 divisors (see below), whose sum is σ = 109831360. Its totient is φ = 102966840.

The previous prime is 106399091. The next prime is 106399129. The reversal of 106399099 is 990993601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990993601 = 13 ⋅76230277.

It is a cyclic number.

It is not a de Polignac number, because 106399099 - 2³ = 106399091 is a prime.

It is a super-2 number, since 2×106399099² = 22641536536023602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106399091) 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, 1716084 + ... + 1716145.

It is an arithmetic number, because the mean of its divisors is an integer number (27457840).

Almost surely, 2^106399099 is an apocalyptic number.

106399099 is a deficient number, since it is larger than the sum of its proper divisors (3432261).

106399099 is an equidigital number, since it uses as much as digits as its factorization.

106399099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432260.

The product of its (nonzero) digits is 118098, while the sum is 46.

The square root of 106399099 is about 10314.9938923879. The cubic root of 106399099 is about 473.8555628804.

The spelling of 106399099 in words is "one hundred six million, three hundred ninety-nine thousand, ninety-nine".