393473 has 2 divisors, whose sum is σ = 393474. Its totient is φ = 393472.

The previous prime is 393451. The next prime is 393479. The reversal of 393473 is 374393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223729 + 169744 = 473^2 + 412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-393473 is a prime.

It is a plaindrome in base 6.

It is not a weakly prime, because it can be changed into another prime (393479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196736 + 196737.

It is an arithmetic number, because the mean of its divisors is an integer number (196737).

2³⁹³⁴⁷³ is an apocalyptic number.

It is an amenable number.

393473 is a deficient number, since it is larger than the sum of its proper divisors (1).

393473 is an equidigital number, since it uses as much as digits as its factorization.

393473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 29.

The square root of 393473 is about 627.2742621852. The cubic root of 393473 is about 73.2776689611.

The spelling of 393473 in words is "three hundred ninety-three thousand, four hundred seventy-three".