343699968 has 80 divisors (see below), whose sum is σ = 963911520. Its totient is φ = 108527616.

The previous prime is 343699963. The next prime is 343699969. The reversal of 343699968 is 869996343.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (343699963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23296 + ... + 35072.

It is an arithmetic number, because the mean of its divisors is an integer number (12048894).

Almost surely, 2^343699968 is an apocalyptic number.

343699968 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343699968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481955760).

343699968 is an abundant number, since it is smaller than the sum of its proper divisors (620211552).

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

343699968 is a wasteful number, since it uses less digits than its factorization.

343699968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817 (or 11801 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 57.

The square root of 343699968 is about 18539.1469059393. The cubic root of 343699968 is about 700.4758451647.

The spelling of 343699968 in words is "three hundred forty-three million, six hundred ninety-nine thousand, nine hundred sixty-eight".