1389530600 has 24 divisors (see below), whose sum is σ = 3230659110. Its totient is φ = 555812160.

The previous prime is 1389530599. The next prime is 1389530609. The reversal of 1389530600 is 60359831.

It can be written as a sum of positive squares in 3 ways, for example, as 962116324 + 427414276 = 31018^2 + 20674^2 .

It is not an unprimeable number, because it can be changed into a prime (1389530609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3473627 + ... + 3474026.

Almost surely, 2^1389530600 is an apocalyptic number.

1389530600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1389530600 is an abundant number, since it is smaller than the sum of its proper divisors (1841128510).

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

1389530600 is a wasteful number, since it uses less digits than its factorization.

1389530600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947669 (or 6947660 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1389530600 is about 37276.4080887631. The cubic root of 1389530600 is about 1115.8933900378.

The spelling of 1389530600 in words is "one billion, three hundred eighty-nine million, five hundred thirty thousand, six hundred".