389238480 has 160 divisors (see below), whose sum is σ = 1384197120. Its totient is φ = 100431360.

The previous prime is 389238469. The next prime is 389238481. The reversal of 389238480 is 84832983.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389238481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64054 + ... + 69866.

It is an arithmetic number, because the mean of its divisors is an integer number (8651232).

Almost surely, 2^389238480 is an apocalyptic number.

389238480 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 389238480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692098560).

389238480 is an abundant number, since it is smaller than the sum of its proper divisors (994958640).

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

389238480 is a wasteful number, since it uses less digits than its factorization.

389238480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5866 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 389238480 is about 19729.1277049950. The cubic root of 389238480 is about 730.1385112788.

The spelling of 389238480 in words is "three hundred eighty-nine million, two hundred thirty-eight thousand, four hundred eighty".