343143890 has 8 divisors (see below), whose sum is σ = 617659020. Its totient is φ = 137257552.

The previous prime is 343143833. The next prime is 343143893. The reversal of 343143890 is 98341343.

It can be written as a sum of positive squares in 2 ways, for example, as 322956841 + 20187049 = 17971^2 + 4493^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 343143890.

It is not an unprimeable number, because it can be changed into a prime (343143893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17157185 + ... + 17157204.

Almost surely, 2^343143890 is an apocalyptic number.

343143890 is a deficient number, since it is larger than the sum of its proper divisors (274515130).

343143890 is a wasteful number, since it uses less digits than its factorization.

343143890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34314396.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 343143890 is about 18524.1434349878. The cubic root of 343143890 is about 700.0978706693.

The spelling of 343143890 in words is "three hundred forty-three million, one hundred forty-three thousand, eight hundred ninety".