343405486 has 4 divisors (see below), whose sum is σ = 515108232. Its totient is φ = 171702742.

The previous prime is 343405483. The next prime is 343405499. The reversal of 343405486 is 684504343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684504343 = 6661 ⋅102763.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343405483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85851370 + ... + 85851373.

It is an arithmetic number, because the mean of its divisors is an integer number (128777058).

Almost surely, 2^343405486 is an apocalyptic number.

343405486 is a deficient number, since it is larger than the sum of its proper divisors (171702746).

343405486 is a wasteful number, since it uses less digits than its factorization.

343405486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171702745.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 343405486 is about 18531.2030370400. The cubic root of 343405486 is about 700.2757321903.

The spelling of 343405486 in words is "three hundred forty-three million, four hundred five thousand, four hundred eighty-six".