394970273 has 4 divisors (see below), whose sum is σ = 395052720. Its totient is φ = 394887828.

The previous prime is 394970263. The next prime is 394970291. The reversal of 394970273 is 372079493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 394970273 - 2⁶ = 394970209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394970263) 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 3 ways as a sum of consecutive naturals, for example, 33563 + ... + 43776.

It is an arithmetic number, because the mean of its divisors is an integer number (98763180).

Almost surely, 2^394970273 is an apocalyptic number.

It is an amenable number.

394970273 is a deficient number, since it is larger than the sum of its proper divisors (82447).

394970273 is an equidigital number, since it uses as much as digits as its factorization.

394970273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82446.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 394970273 is about 19873.8590364328. The cubic root of 394970273 is about 733.7049854218.

The spelling of 394970273 in words is "three hundred ninety-four million, nine hundred seventy thousand, two hundred seventy-three".