388888260 has 96 divisors (see below), whose sum is σ = 1192786560. Its totient is φ = 94230528.

The previous prime is 388888249. The next prime is 388888271. The reversal of 388888260 is 62888883.

It is an interprime number because it is at equal distance from previous prime (388888249) and next prime (388888271).

It is a Harshad number since it is a multiple of its sum of digits (51).

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 31 ways as a sum of consecutive naturals, for example, 23007 + ... + 36153.

It is an arithmetic number, because the mean of its divisors is an integer number (12424860).

Almost surely, 2^388888260 is an apocalyptic number.

388888260 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 388888260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596393280).

388888260 is an abundant number, since it is smaller than the sum of its proper divisors (803898300).

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

388888260 is a wasteful number, since it uses less digits than its factorization.

388888260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13205 (or 13203 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 51.

The square root of 388888260 is about 19720.2499984153. The cubic root of 388888260 is about 729.9194631862.

The spelling of 388888260 in words is "three hundred eighty-eight million, eight hundred eighty-eight thousand, two hundred sixty".