387469888 has 112 divisors (see below), whose sum is σ = 883025920. Its totient is φ = 167215104.

The previous prime is 387469879. The next prime is 387469889. The reversal of 387469888 is 888964783.

It is not an unprimeable number, because it can be changed into a prime (387469889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007520 + ... + 2007712.

It is an arithmetic number, because the mean of its divisors is an integer number (7884160).

Almost surely, 2^387469888 is an apocalyptic number.

387469888 is a gapful number since it is divisible by the number (38) 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 387469888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441512960).

387469888 is an abundant number, since it is smaller than the sum of its proper divisors (495556032).

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

387469888 is a wasteful number, since it uses less digits than its factorization.

387469888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 354 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 61.

The square root of 387469888 is about 19684.2548246054. The cubic root of 387469888 is about 729.0309829944.

The spelling of 387469888 in words is "three hundred eighty-seven million, four hundred sixty-nine thousand, eight hundred eighty-eight".