1389206 has 32 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 516096.

The previous prime is 1389191. The next prime is 1389209. The reversal of 1389206 is 6029831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389209) 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, 2870 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^1389206 is an apocalyptic number.

1389206 is a deficient number, since it is larger than the sum of its proper divisors (1332394).

1389206 is a wasteful number, since it uses less digits than its factorization.

1389206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1389206 is about 1178.6458331492. The cubic root of 1389206 is about 111.5806490859.

The spelling of 1389206 in words is "one million, three hundred eighty-nine thousand, two hundred six".