343688874 has 16 divisors (see below), whose sum is σ = 687587808. Its totient is φ = 114527952.

The previous prime is 343688861. The next prime is 343688879. The reversal of 343688874 is 478886343.

It is a super-2 number, since 2×343688874² = 236244084222775752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343688879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19569 + ... + 32715.

It is an arithmetic number, because the mean of its divisors is an integer number (42974238).

Almost surely, 2^343688874 is an apocalyptic number.

343688874 is an abundant number, since it is smaller than the sum of its proper divisors (343898934).

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

343688874 is a wasteful number, since it uses less digits than its factorization.

343688874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17509.

The product of its digits is 3096576, while the sum is 51.

The square root of 343688874 is about 18538.8476988188. The cubic root of 343688874 is about 700.4683083949.

The spelling of 343688874 in words is "three hundred forty-three million, six hundred eighty-eight thousand, eight hundred seventy-four".