354609439 has 2 divisors, whose sum is σ = 354609440. Its totient is φ = 354609438.

The previous prime is 354609397. The next prime is 354609487. The reversal of 354609439 is 934906453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354609439 - 2⁹ = 354608927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354609395 and 354609404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354609139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177304719 + 177304720.

It is an arithmetic number, because the mean of its divisors is an integer number (177304720).

Almost surely, 2^354609439 is an apocalyptic number.

354609439 is a deficient number, since it is larger than the sum of its proper divisors (1).

354609439 is an equidigital number, since it uses as much as digits as its factorization.

354609439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 43.

The square root of 354609439 is about 18831.0764163921. The cubic root of 354609439 is about 707.8101136475.

The spelling of 354609439 in words is "three hundred fifty-four million, six hundred nine thousand, four hundred thirty-nine".