343490146 has 8 divisors (see below), whose sum is σ = 523681884. Its totient is φ = 168929520.

The previous prime is 343490141. The next prime is 343490209. The reversal of 343490146 is 641094343.

It can be written as a sum of positive squares in 2 ways, for example, as 315453121 + 28037025 = 17761^2 + 5295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (343490141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407625 + ... + 1407868.

Almost surely, 2^343490146 is an apocalyptic number.

343490146 is a deficient number, since it is larger than the sum of its proper divisors (180191738).

343490146 is a wasteful number, since it uses less digits than its factorization.

343490146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815556.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 343490146 is about 18533.4871516399. The cubic root of 343490146 is about 700.3332739543. Note that the first 3 decimals are identical.

The spelling of 343490146 in words is "three hundred forty-three million, four hundred ninety thousand, one hundred forty-six".