389549088 has 120 divisors (see below), whose sum is σ = 1155067452. Its totient is φ = 128784384.

The previous prime is 389549087. The next prime is 389549119. The reversal of 389549088 is 880945983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 387774864 + 1774224 = 19692^2 + 1332^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (389549087) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 354556 + ... + 355652.

Almost surely, 2^389549088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389549088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577533726).

389549088 is an abundant number, since it is smaller than the sum of its proper divisors (765518364).

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

389549088 is a wasteful number, since it uses less digits than its factorization.

389549088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 389549088 is about 19736.9979480163. The cubic root of 389549088 is about 730.3326737923.

The spelling of 389549088 in words is "three hundred eighty-nine million, five hundred forty-nine thousand, eighty-eight".