389847973290 has 32 divisors (see below), whose sum is σ = 937161501696. Its totient is φ = 103789863360.

The previous prime is 389847973271. The next prime is 389847973399. The reversal of 389847973290 is 92379748983.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10581066 + ... + 10617845.

It is an arithmetic number, because the mean of its divisors is an integer number (29286296928).

Almost surely, 2^389847973290 is an apocalyptic number.

389847973290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389847973290 is an abundant number, since it is smaller than the sum of its proper divisors (547313528406).

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

389847973290 is a wasteful number, since it uses less digits than its factorization.

389847973290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21199534.

The product of its (nonzero) digits is 164602368, while the sum is 69.

The spelling of 389847973290 in words is "three hundred eighty-nine billion, eight hundred forty-seven million, nine hundred seventy-three thousand, two hundred ninety".