394501 has 2 divisors, whose sum is σ = 394502. Its totient is φ = 394500.

The previous prime is 394489. The next prime is 394507. The reversal of 394501 is 105493.

394501 is nontrivially palindromic in base 5.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329476 + 65025 = 574^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 394501 - 2⁹ = 393989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197250 + 197251.

It is an arithmetic number, because the mean of its divisors is an integer number (197251).

2³⁹⁴⁵⁰¹ is an apocalyptic number.

It is an amenable number.

394501 is a deficient number, since it is larger than the sum of its proper divisors (1).

394501 is an equidigital number, since it uses as much as digits as its factorization.

394501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 394501 is about 628.0931459585. The cubic root of 394501 is about 73.3414293174.

Adding to 394501 its reverse (105493), we get a palindrome (499994).

The spelling of 394501 in words is "three hundred ninety-four thousand, five hundred one".