1389061622 has 32 divisors (see below), whose sum is σ = 2342391744. Its totient is φ = 613526400.

The previous prime is 1389061607. The next prime is 1389061627. The reversal of 1389061622 is 2261609831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389061627) 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, 46847 + ... + 70517.

It is an arithmetic number, because the mean of its divisors is an integer number (73199742).

Almost surely, 2^1389061622 is an apocalyptic number.

1389061622 is a deficient number, since it is larger than the sum of its proper divisors (953330122).

1389061622 is a wasteful number, since it uses less digits than its factorization.

1389061622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23784.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1389061622 is about 37270.1170108171. The cubic root of 1389061622 is about 1115.7678348474.

The spelling of 1389061622 in words is "one billion, three hundred eighty-nine million, sixty-one thousand, six hundred twenty-two".