381232000 has 64 divisors (see below), whose sum is σ = 947877840. Its totient is φ = 152486400.

The previous prime is 381231997. The next prime is 381232003. The reversal of 381232000 is 232183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (381231997) and next prime (381232003).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381232003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4087 + ... + 27913.

Almost surely, 2^381232000 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 381232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473938920).

381232000 is an abundant number, since it is smaller than the sum of its proper divisors (566645840).

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

381232000 is an equidigital number, since it uses as much as digits as its factorization.

381232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23856 (or 23834 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 381232000 is about 19525.1632515582. The cubic root of 381232000 is about 725.0975691121.

Adding to 381232000 its reverse (232183), we get a palindrome (381464183).

The spelling of 381232000 in words is "three hundred eighty-one million, two hundred thirty-two thousand".