394958 has 4 divisors (see below), whose sum is σ = 592440. Its totient is φ = 197478.

The previous prime is 394943. The next prime is 394963. The reversal of 394958 is 859493.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

394958 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98738 + ... + 98741.

It is an arithmetic number, because the mean of its divisors is an integer number (148110).

2³⁹⁴⁹⁵⁸ is an apocalyptic number.

394958 is a deficient number, since it is larger than the sum of its proper divisors (197482).

394958 is a wasteful number, since it uses less digits than its factorization.

394958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197481.

The product of its digits is 38880, while the sum is 38.

The square root of 394958 is about 628.4568402046. The cubic root of 394958 is about 73.3697385816.

The spelling of 394958 in words is "three hundred ninety-four thousand, nine hundred fifty-eight".