389226480 has 80 divisors (see below), whose sum is σ = 1208863104. Its totient is φ = 103599360.

The previous prime is 389226479. The next prime is 389226499. The reversal of 389226480 is 84622983.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164667 + ... + 167013.

Almost surely, 2^389226480 is an apocalyptic number.

389226480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389226480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604431552).

389226480 is an abundant number, since it is smaller than the sum of its proper divisors (819636624).

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

389226480 is a wasteful number, since it uses less digits than its factorization.

389226480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 389226480 is about 19728.8235837822. The cubic root of 389226480 is about 730.1310079506.

The spelling of 389226480 in words is "three hundred eighty-nine million, two hundred twenty-six thousand, four hundred eighty".