381197232 has 160 divisors (see below), whose sum is σ = 1191590400. Its totient is φ = 115976448.

The previous prime is 381197221. The next prime is 381197233. The reversal of 381197232 is 232791183.

It is a super-2 number, since 2×381197232² = 290622659368923648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (381197233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578119 + ... + 578777.

It is an arithmetic number, because the mean of its divisors is an integer number (7447440).

Almost surely, 2^381197232 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 381197232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595795200).

381197232 is an abundant number, since it is smaller than the sum of its proper divisors (810393168).

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

381197232 is a wasteful number, since it uses less digits than its factorization.

381197232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 780 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 381197232 is about 19524.2728929914. The cubic root of 381197232 is about 725.0755257031.

The spelling of 381197232 in words is "three hundred eighty-one million, one hundred ninety-seven thousand, two hundred thirty-two".