394357 has 2 divisors, whose sum is σ = 394358. Its totient is φ = 394356.

The previous prime is 394327. The next prime is 394363. The reversal of 394357 is 753493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239121 + 155236 = 489^2 + 394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394357 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 9³ + 3¹¹ + 4⁵ + 5⁷ + 7⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197178 + 197179.

It is an arithmetic number, because the mean of its divisors is an integer number (197179).

2³⁹⁴³⁵⁷ is an apocalyptic number.

It is an amenable number.

394357 is a deficient number, since it is larger than the sum of its proper divisors (1).

394357 is an equidigital number, since it uses as much as digits as its factorization.

394357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 31.

The square root of 394357 is about 627.9785028168. The cubic root of 394357 is about 73.3325045820.

The spelling of 394357 in words is "three hundred ninety-four thousand, three hundred fifty-seven".