394453 has 2 divisors, whose sum is σ = 394454. Its totient is φ = 394452.

The previous prime is 394411. The next prime is 394481. The reversal of 394453 is 354493.

It is an a-pointer prime, because the next prime (394481) can be obtained adding 394453 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386884 + 7569 = 622^2 + 87^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197226 + 197227.

It is an arithmetic number, because the mean of its divisors is an integer number (197227).

2³⁹⁴⁴⁵³ is an apocalyptic number.

It is an amenable number.

394453 is a deficient number, since it is larger than the sum of its proper divisors (1).

394453 is an equidigital number, since it uses as much as digits as its factorization.

394453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 394453 is about 628.0549339031. The cubic root of 394453 is about 73.3384546469.

The spelling of 394453 in words is "three hundred ninety-four thousand, four hundred fifty-three".