393814 has 4 divisors (see below), whose sum is σ = 590724. Its totient is φ = 196906.

The previous prime is 393797. The next prime is 393847. The reversal of 393814 is 418393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418393 = 23 ⋅18191.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98452 + ... + 98455.

It is an arithmetic number, because the mean of its divisors is an integer number (147681).

2³⁹³⁸¹⁴ is an apocalyptic number.

393814 is a deficient number, since it is larger than the sum of its proper divisors (196910).

393814 is a wasteful number, since it uses less digits than its factorization.

393814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196909.

The product of its digits is 2592, while the sum is 28.

The square root of 393814 is about 627.5460142492. The cubic root of 393814 is about 73.2988313366.

The spelling of 393814 in words is "three hundred ninety-three thousand, eight hundred fourteen".