394620307443 has 12 divisors (see below), whose sum is σ = 570012649960. Its totient is φ = 263077648416.

The previous prime is 394620307439. The next prime is 394620307453. The reversal of 394620307443 is 344703026493.

It is not a de Polignac number, because 394620307443 - 2² = 394620307439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394620307453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1437855 + ... + 1690167.

Almost surely, 2^394620307443 is an apocalyptic number.

394620307443 is a deficient number, since it is larger than the sum of its proper divisors (175392342517).

394620307443 is a wasteful number, since it uses less digits than its factorization.

394620307443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426098 (or 426095 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 45.

The spelling of 394620307443 in words is "three hundred ninety-four billion, six hundred twenty million, three hundred seven thousand, four hundred forty-three".