394973 has 4 divisors (see below), whose sum is σ = 400608. Its totient is φ = 389340.

The previous prime is 394969. The next prime is 394981. The reversal of 394973 is 379493.

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, and also an emirpimes, since its reverse is a distinct semiprime: 379493 = 199 ⋅1907.

It is a cyclic number.

It is not a de Polignac number, because 394973 - 2² = 394969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (100152).

2³⁹⁴⁹⁷³ is an apocalyptic number.

It is an amenable number.

394973 is a deficient number, since it is larger than the sum of its proper divisors (5635).

394973 is an equidigital number, since it uses as much as digits as its factorization.

394973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634.

The product of its digits is 20412, while the sum is 35.

The square root of 394973 is about 628.4687740851. The cubic root of 394973 is about 73.3706673995.

The spelling of 394973 in words is "three hundred ninety-four thousand, nine hundred seventy-three".