343169887 has 4 divisors (see below), whose sum is σ = 361231480. Its totient is φ = 325108296.

The previous prime is 343169881. The next prime is 343169903. The reversal of 343169887 is 788961343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343169887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343169887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343169881) 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, 9030768 + ... + 9030805.

It is an arithmetic number, because the mean of its divisors is an integer number (90307870).

Almost surely, 2^343169887 is an apocalyptic number.

343169887 is a deficient number, since it is larger than the sum of its proper divisors (18061593).

343169887 is a wasteful number, since it uses less digits than its factorization.

343169887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18061592.

The product of its digits is 870912, while the sum is 49.

The square root of 343169887 is about 18524.8451275577. The cubic root of 343169887 is about 700.1155503126.

The spelling of 343169887 in words is "three hundred forty-three million, one hundred sixty-nine thousand, eight hundred eighty-seven".