1106399 has 8 divisors (see below), whose sum is σ = 1272960. Its totient is φ = 941976.

The previous prime is 1106381. The next prime is 1106401. The reversal of 1106399 is 9936011.

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

It is a de Polignac number, because none of the positive numbers 2^k-1106399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (159120).

2^1106399 is an apocalyptic number.

1106399 is a deficient number, since it is larger than the sum of its proper divisors (166561).

1106399 is an equidigital number, since it uses as much as digits as its factorization.

1106399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1106399 is about 1051.8550280338. The cubic root of 1106399 is about 103.4277931490.

The spelling of 1106399 in words is "one million, one hundred six thousand, three hundred ninety-nine".