343456146 has 32 divisors (see below), whose sum is σ = 832622400. Its totient is φ = 104077440.

The previous prime is 343456121. The next prime is 343456147. The reversal of 343456146 is 641654343.

343456146 is a `hidden beast` number, since 3 + 4 + 34 + 5 + 614 + 6 = 666.

343456146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 343456146.

It is not an unprimeable number, because it can be changed into a prime (343456147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288511 + ... + 289698.

It is an arithmetic number, because the mean of its divisors is an integer number (26019450).

Almost surely, 2^343456146 is an apocalyptic number.

343456146 is an abundant number, since it is smaller than the sum of its proper divisors (489166254).

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

343456146 is a wasteful number, since it uses less digits than its factorization.

343456146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578231 (or 578225 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 343456146 is about 18532.5698703661. The cubic root of 343456146 is about 700.3101659483.

The spelling of 343456146 in words is "three hundred forty-three million, four hundred fifty-six thousand, one hundred forty-six".