1393216206 has 32 divisors (see below), whose sum is σ = 2893985280. Its totient is φ = 446815296.

The previous prime is 1393216189. The next prime is 1393216207. The reversal of 1393216206 is 6026123931.

It is a super-2 number, since 2×1393216206² = 3882102793322068872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393216207) 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, 25231 + ... + 58506.

It is an arithmetic number, because the mean of its divisors is an integer number (90437040).

Almost surely, 2^1393216206 is an apocalyptic number.

1393216206 is an abundant number, since it is smaller than the sum of its proper divisors (1500769074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1393216206 is a wasteful number, since it uses less digits than its factorization.

1393216206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83848.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 1393216206 is about 37325.8115250024. The cubic root of 1393216206 is about 1116.8791215969.

The spelling of 1393216206 in words is "one billion, three hundred ninety-three million, two hundred sixteen thousand, two hundred six".