343940783 has 8 divisors (see below), whose sum is σ = 363372480. Its totient is φ = 325013920.

The previous prime is 343940777. The next prime is 343940791. The reversal of 343940783 is 387049343.

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

It is a cyclic number.

It is not a de Polignac number, because 343940783 - 2¹⁶ = 343875247 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 343940783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343940713) 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 7 ways as a sum of consecutive naturals, for example, 124808 + ... + 127533.

It is an arithmetic number, because the mean of its divisors is an integer number (45421560).

Almost surely, 2^343940783 is an apocalyptic number.

343940783 is a deficient number, since it is larger than the sum of its proper divisors (19431697).

343940783 is a wasteful number, since it uses less digits than its factorization.

343940783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252417.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 343940783 is about 18545.6405389515. The cubic root of 343940783 is about 700.6394042036.

The spelling of 343940783 in words is "three hundred forty-three million, nine hundred forty thousand, seven hundred eighty-three".