394351 has 4 divisors (see below), whose sum is σ = 407104. Its totient is φ = 381600.

The previous prime is 394327. The next prime is 394357. The reversal of 394351 is 153493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153493 = 17 ⋅9029.

It is a cyclic number.

It is not a de Polignac number, because 394351 - 2⁵ = 394319 is a prime.

It is a super-2 number, since 2×394351² = 311025422402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394357) 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, 6330 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (101776).

2³⁹⁴³⁵¹ is an apocalyptic number.

394351 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

394351 is a deficient number, since it is larger than the sum of its proper divisors (12753).

394351 is a wasteful number, since it uses less digits than its factorization.

394351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752.

The product of its digits is 1620, while the sum is 25.

The square root of 394351 is about 627.9737255650. The cubic root of 394351 is about 73.3321326709.

The spelling of 394351 in words is "three hundred ninety-four thousand, three hundred fifty-one".