394359973 has 8 divisors (see below), whose sum is σ = 451451840. Its totient is φ = 337456800.

The previous prime is 394359971. The next prime is 394359983. The reversal of 394359973 is 379953493.

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 394359973 - 2¹ = 394359971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394359973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394359971) 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, 42663 + ... + 51076.

It is an arithmetic number, because the mean of its divisors is an integer number (56431480).

Almost surely, 2^394359973 is an apocalyptic number.

It is an amenable number.

394359973 is a deficient number, since it is larger than the sum of its proper divisors (57091867).

394359973 is an equidigital number, since it uses as much as digits as its factorization.

394359973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94347.

The product of its digits is 2755620, while the sum is 52.

The square root of 394359973 is about 19858.4987599768. The cubic root of 394359973 is about 733.3268886256.

The spelling of 394359973 in words is "three hundred ninety-four million, three hundred fifty-nine thousand, nine hundred seventy-three".