354018839 has 2 divisors, whose sum is σ = 354018840. Its totient is φ = 354018838.

The previous prime is 354018827. The next prime is 354018859. The reversal of 354018839 is 938810453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354018839 - 2²⁰ = 352970263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354018796 and 354018805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354018859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177009419 + 177009420.

It is an arithmetic number, because the mean of its divisors is an integer number (177009420).

Almost surely, 2^354018839 is an apocalyptic number.

354018839 is a deficient number, since it is larger than the sum of its proper divisors (1).

354018839 is an equidigital number, since it uses as much as digits as its factorization.

354018839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 354018839 is about 18815.3883563428. The cubic root of 354018839 is about 707.4169440557.

The spelling of 354018839 in words is "three hundred fifty-four million, eighteen thousand, eight hundred thirty-nine".