199403 has 2 divisors, whose sum is σ = 199404. Its totient is φ = 199402.

The previous prime is 199399. The next prime is 199411. The reversal of 199403 is 304991.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199403 - 2² = 199399 is a prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (199453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99701 + 99702.

It is an arithmetic number, because the mean of its divisors is an integer number (99702).

2¹⁹⁹⁴⁰³ is an apocalyptic number.

199403 is a deficient number, since it is larger than the sum of its proper divisors (1).

199403 is an equidigital number, since it uses as much as digits as its factorization.

199403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 199403 is about 446.5456303672. The cubic root of 199403 is about 58.4221088180.

The spelling of 199403 in words is "one hundred ninety-nine thousand, four hundred three".