427344349 has 2 divisors, whose sum is σ = 427344350. Its totient is φ = 427344348.

The previous prime is 427344343. The next prime is 427344361. The reversal of 427344349 is 943443724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218744100 + 208600249 = 14790^2 + 14443^2 .

It is a cyclic number.

It is not a de Polignac number, because 427344349 - 2⁹ = 427343837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427344343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213672174 + 213672175.

It is an arithmetic number, because the mean of its divisors is an integer number (213672175).

Almost surely, 2^427344349 is an apocalyptic number.

It is an amenable number.

427344349 is a deficient number, since it is larger than the sum of its proper divisors (1).

427344349 is an equidigital number, since it uses as much as digits as its factorization.

427344349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 40.

The square root of 427344349 is about 20672.3087486618. The cubic root of 427344349 is about 753.2271894508.

The spelling of 427344349 in words is "four hundred twenty-seven million, three hundred forty-four thousand, three hundred forty-nine".