203394349 has 4 divisors (see below), whose sum is σ = 203429920. Its totient is φ = 203358780.

The previous prime is 203394319. The next prime is 203394377. The reversal of 203394349 is 943493302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203394349 - 2⁹ = 203393837 is a prime.

It is a super-2 number, since 2×203394349² = 82738522410267602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203394319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7047 + ... + 21364.

It is an arithmetic number, because the mean of its divisors is an integer number (50857480).

Almost surely, 2^203394349 is an apocalyptic number.

It is an amenable number.

203394349 is a deficient number, since it is larger than the sum of its proper divisors (35571).

203394349 is an equidigital number, since it uses as much as digits as its factorization.

203394349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35570.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 203394349 is about 14261.6390712989. The cubic root of 203394349 is about 588.0933847161.

The spelling of 203394349 in words is "two hundred three million, three hundred ninety-four thousand, three hundred forty-nine".