394951 has 4 divisors (see below), whose sum is σ = 408600. Its totient is φ = 381304.

The previous prime is 394943. The next prime is 394963. The reversal of 394951 is 159493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159493 = 349 ⋅457.

It is a cyclic number.

It is not a de Polignac number, because 394951 - 2³ = 394943 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

394951 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394931) 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, 6781 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (102150).

2³⁹⁴⁹⁵¹ is an apocalyptic number.

394951 is a deficient number, since it is larger than the sum of its proper divisors (13649).

394951 is a wasteful number, since it uses less digits than its factorization.

394951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13648.

The product of its digits is 4860, while the sum is 31.

The square root of 394951 is about 628.4512709829. The cubic root of 394951 is about 73.3693051253.

The spelling of 394951 in words is "three hundred ninety-four thousand, nine hundred fifty-one".