1600349 has 2 divisors, whose sum is σ = 1600350. Its totient is φ = 1600348.

The previous prime is 1600343. The next prime is 1600367. The reversal of 1600349 is 9430061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 669124 = 965^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1600349 - 2²⁰ = 551773 is a prime.

It is a super-2 number, since 2×1600349² = 5122233843602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1600343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800174 + 800175.

It is an arithmetic number, because the mean of its divisors is an integer number (800175).

2^1600349 is an apocalyptic number.

It is an amenable number.

1600349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600349 is an equidigital number, since it uses as much as digits as its factorization.

1600349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1600349 is about 1265.0490109083. The cubic root of 1600349 is about 116.9692129285.

The spelling of 1600349 in words is "one million, six hundred thousand, three hundred forty-nine".