381254433 has 8 divisors (see below), whose sum is σ = 580959168. Its totient is φ = 217859664.

The previous prime is 381254407. The next prime is 381254479. The reversal of 381254433 is 334452183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381254433 - 2⁶ = 381254369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381254394 and 381254403.

It is not an unprimeable number, because it can be changed into a prime (381254483) 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, 9077466 + ... + 9077507.

It is an arithmetic number, because the mean of its divisors is an integer number (72619896).

Almost surely, 2^381254433 is an apocalyptic number.

It is an amenable number.

381254433 is a deficient number, since it is larger than the sum of its proper divisors (199704735).

381254433 is a wasteful number, since it uses less digits than its factorization.

381254433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18154983.

The product of its digits is 34560, while the sum is 33.

The square root of 381254433 is about 19525.7377069344. The cubic root of 381254433 is about 725.1117912434. Note that the first 3 decimals are identical.

The spelling of 381254433 in words is "three hundred eighty-one million, two hundred fifty-four thousand, four hundred thirty-three".