1389609848 has 32 divisors (see below), whose sum is σ = 2843814960. Its totient is φ = 631322880.

The previous prime is 1389609847. The next prime is 1389609853. The reversal of 1389609848 is 8489069831.

It is a junction number, because it is equal to n+sod(n) for n = 1389609793 and 1389609802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389609841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339140 + ... + 343212.

Almost surely, 2^1389609848 is an apocalyptic number.

It is an amenable number.

1389609848 is an abundant number, since it is smaller than the sum of its proper divisors (1454205112).

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

1389609848 is a wasteful number, since it uses less digits than its factorization.

1389609848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 1389609848 is about 37277.4710515614. The cubic root of 1389609848 is about 1115.9146035897.

The spelling of 1389609848 in words is "one billion, three hundred eighty-nine million, six hundred nine thousand, eight hundred forty-eight".