343463985 has 12 divisors (see below), whose sum is σ = 595337652. Its totient is φ = 183180768.

The previous prime is 343463959. The next prime is 343463987. The reversal of 343463985 is 589364343.

343463985 is a `hidden beast` number, since 3 + 4 + 3 + 4 + 639 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97476129 + 245987856 = 9873^2 + 15684^2 .

It is not a de Polignac number, because 343463985 - 2²¹ = 341366833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7632533 = 343463985 / (3 + 4 + 3 + 4 + 6 + 3 + 9 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 343463985.

It is not an unprimeable number, because it can be changed into a prime (343463987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3816222 + ... + 3816311.

It is an arithmetic number, because the mean of its divisors is an integer number (49611471).

Almost surely, 2^343463985 is an apocalyptic number.

It is an amenable number.

343463985 is a deficient number, since it is larger than the sum of its proper divisors (251873667).

343463985 is a wasteful number, since it uses less digits than its factorization.

343463985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632544 (or 7632541 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 343463985 is about 18532.7813616845. The cubic root of 343463985 is about 700.3154938383.

The spelling of 343463985 in words is "three hundred forty-three million, four hundred sixty-three thousand, nine hundred eighty-five".