381433575 has 24 divisors (see below), whose sum is σ = 631515136. Its totient is φ = 203148000.

The previous prime is 381433571. The next prime is 381433583. The reversal of 381433575 is 575334183.

It is not a de Polignac number, because 381433575 - 2² = 381433571 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381433571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57690 + ... + 63960.

Almost surely, 2^381433575 is an apocalyptic number.

381433575 is a deficient number, since it is larger than the sum of its proper divisors (250081561).

381433575 is a wasteful number, since it uses less digits than its factorization.

381433575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7095 (or 7090 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 381433575 is about 19530.3244980722. The cubic root of 381433575 is about 725.2253441408.

The spelling of 381433575 in words is "three hundred eighty-one million, four hundred thirty-three thousand, five hundred seventy-five".