106385399 has 4 divisors (see below), whose sum is σ = 106645920. Its totient is φ = 106124880.

The previous prime is 106385387. The next prime is 106385401. The reversal of 106385399 is 993583601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106385399 is a prime.

It is a super-2 number, since 2×106385399² = 22635706240778402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106385899) 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 3 ways as a sum of consecutive naturals, for example, 129647 + ... + 130464.

It is an arithmetic number, because the mean of its divisors is an integer number (26661480).

Almost surely, 2^106385399 is an apocalyptic number.

106385399 is a deficient number, since it is larger than the sum of its proper divisors (260521).

106385399 is an equidigital number, since it uses as much as digits as its factorization.

106385399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260520.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 106385399 is about 10314.3297891817. The cubic root of 106385399 is about 473.8352240494.

The spelling of 106385399 in words is "one hundred six million, three hundred eighty-five thousand, three hundred ninety-nine".