387423288 has 96 divisors (see below), whose sum is σ = 1203252960. Its totient is φ = 110315520.

The previous prime is 387423277. The next prime is 387423299. The reversal of 387423288 is 882324783.

It is an interprime number because it is at equal distance from previous prime (387423277) and next prime (387423299).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168708 + ... + 170988.

It is an arithmetic number, because the mean of its divisors is an integer number (12533885).

Almost surely, 2^387423288 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 387423288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601626480).

387423288 is an abundant number, since it is smaller than the sum of its proper divisors (815829672).

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

387423288 is a wasteful number, since it uses less digits than its factorization.

387423288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2630 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 387423288 is about 19683.0711018377. The cubic root of 387423288 is about 729.0017555999.

The spelling of 387423288 in words is "three hundred eighty-seven million, four hundred twenty-three thousand, two hundred eighty-eight".