381194269 has 8 divisors (see below), whose sum is σ = 390331040. Its totient is φ = 372069936.

The previous prime is 381194267. The next prime is 381194293. The reversal of 381194269 is 962491183.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 381194269 - 2¹ = 381194267 is a prime.

It is a super-2 number, since 2×381194269² = 290618141436888722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381194263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95614 + ... + 99520.

It is an arithmetic number, because the mean of its divisors is an integer number (48791380).

Almost surely, 2^381194269 is an apocalyptic number.

It is an amenable number.

381194269 is a deficient number, since it is larger than the sum of its proper divisors (9136771).

381194269 is a wasteful number, since it uses less digits than its factorization.

381194269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219.

The product of its digits is 93312, while the sum is 43.

The square root of 381194269 is about 19524.1970129376. The cubic root of 381194269 is about 725.0736470568.

The spelling of 381194269 in words is "three hundred eighty-one million, one hundred ninety-four thousand, two hundred sixty-nine".