1389832998 has 16 divisors (see below), whose sum is σ = 2854792560. Its totient is φ = 450756576.

The previous prime is 1389832987. The next prime is 1389833051. The reversal of 1389832998 is 8992389831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130033 + ... + 3130476.

It is an arithmetic number, because the mean of its divisors is an integer number (178424535).

Almost surely, 2^1389832998 is an apocalyptic number.

1389832998 is an abundant number, since it is smaller than the sum of its proper divisors (1464959562).

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

1389832998 is a wasteful number, since it uses less digits than its factorization.

1389832998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260551.

The product of its digits is 6718464, while the sum is 60.

The square root of 1389832998 is about 37280.4640260821. The cubic root of 1389832998 is about 1115.9743333083.

The spelling of 1389832998 in words is "one billion, three hundred eighty-nine million, eight hundred thirty-two thousand, nine hundred ninety-eight".