394661419 has 8 divisors (see below), whose sum is σ = 397682208. Its totient is φ = 391647360.

The previous prime is 394661411. The next prime is 394661429. The reversal of 394661419 is 914166493.

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 394661419 - 2³ = 394661411 is a prime.

It is a super-2 number, since 2×394661419² = 311515271294187122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394661411) 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, 212754 + ... + 214600.

It is an arithmetic number, because the mean of its divisors is an integer number (49710276).

Almost surely, 2^394661419 is an apocalyptic number.

394661419 is a deficient number, since it is larger than the sum of its proper divisors (3020789).

394661419 is a wasteful number, since it uses less digits than its factorization.

394661419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365.

The product of its digits is 139968, while the sum is 43.

The square root of 394661419 is about 19866.0871587739. The cubic root of 394661419 is about 733.5136910153.

The spelling of 394661419 in words is "three hundred ninety-four million, six hundred sixty-one thousand, four hundred nineteen".