1389456627 has 8 divisors (see below), whose sum is σ = 1995117264. Its totient is φ = 855050208.

The previous prime is 1389456623. The next prime is 1389456659. The reversal of 1389456627 is 7266549831.

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

It is not a de Polignac number, because 1389456627 - 2² = 1389456623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1389456627.

It is not an unprimeable number, because it can be changed into a prime (1389456623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17813508 + ... + 17813585.

It is an arithmetic number, because the mean of its divisors is an integer number (249389658).

Almost surely, 2^1389456627 is an apocalyptic number.

1389456627 is a deficient number, since it is larger than the sum of its proper divisors (605660637).

1389456627 is a wasteful number, since it uses less digits than its factorization.

1389456627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35627109.

The product of its digits is 2177280, while the sum is 51.

The square root of 1389456627 is about 37275.4158528111. The cubic root of 1389456627 is about 1115.8735877999.

The spelling of 1389456627 in words is "one billion, three hundred eighty-nine million, four hundred fifty-six thousand, six hundred twenty-seven".