394081419 has 8 divisors (see below), whose sum is σ = 525604752. Its totient is φ = 262639520.

The previous prime is 394081327. The next prime is 394081433. The reversal of 394081419 is 914180493.

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 394081419 - 2¹³ = 394073227 is a prime.

It is a super-2 number, since 2×394081419² = 310600329602107122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (394081439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7992 + ... + 29189.

It is an arithmetic number, because the mean of its divisors is an integer number (65700594).

Almost surely, 2^394081419 is an apocalyptic number.

394081419 is a deficient number, since it is larger than the sum of its proper divisors (131523333).

394081419 is a wasteful number, since it uses less digits than its factorization.

394081419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40717.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 394081419 is about 19851.4840503172. The cubic root of 394081419 is about 733.1541874843.

The spelling of 394081419 in words is "three hundred ninety-four million, eighty-one thousand, four hundred nineteen".