343939446 has 20 divisors (see below), whose sum is σ = 770679492. Its totient is φ = 114646428.

The previous prime is 343939439. The next prime is 343939471. The reversal of 343939446 is 644939343.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1061380 + ... + 1061703.

Almost surely, 2^343939446 is an apocalyptic number.

343939446 is an abundant number, since it is smaller than the sum of its proper divisors (426740046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343939446 is a wasteful number, since it uses less digits than its factorization.

343939446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123097 (or 2123088 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 343939446 is about 18545.6044927093. The cubic root of 343939446 is about 700.6384963380.

The spelling of 343939446 in words is "three hundred forty-three million, nine hundred thirty-nine thousand, four hundred forty-six".