381541472 has 48 divisors (see below), whose sum is σ = 856541952. Its totient is φ = 165734400.

The previous prime is 381541471. The next prime is 381541477. The reversal of 381541472 is 274145183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381541471) 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, 19904 + ... + 34047.

It is an arithmetic number, because the mean of its divisors is an integer number (17844624).

Almost surely, 2^381541472 is an apocalyptic number.

381541472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381541472 is an abundant number, since it is smaller than the sum of its proper divisors (475000480).

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

381541472 is a wasteful number, since it uses less digits than its factorization.

381541472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53991 (or 53983 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 381541472 is about 19533.0865968489. The cubic root of 381541472 is about 725.2937197524.

The spelling of 381541472 in words is "three hundred eighty-one million, five hundred forty-one thousand, four hundred seventy-two".