1399106 has 8 divisors (see below), whose sum is σ = 2108160. Its totient is φ = 696388.

The previous prime is 1399063. The next prime is 1399109. The reversal of 1399106 is 6019931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399109) 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, 986 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (263520).

2^1399106 is an apocalyptic number.

1399106 is a deficient number, since it is larger than the sum of its proper divisors (709054).

1399106 is a wasteful number, since it uses less digits than its factorization.

1399106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168.

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

The square root of 1399106 is about 1182.8381123383. The cubic root of 1399106 is about 111.8450770446.

The spelling of 1399106 in words is "one million, three hundred ninety-nine thousand, one hundred six".