343949493 has 4 divisors (see below), whose sum is σ = 458599328. Its totient is φ = 229299660.

The previous prime is 343949471. The next prime is 343949497. The reversal of 343949493 is 394949343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 343949493 - 2²¹ = 341852341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343949497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57324913 + ... + 57324918.

It is an arithmetic number, because the mean of its divisors is an integer number (114649832).

Almost surely, 2^343949493 is an apocalyptic number.

It is an amenable number.

343949493 is a deficient number, since it is larger than the sum of its proper divisors (114649835).

343949493 is a wasteful number, since it uses less digits than its factorization.

343949493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114649834.

The product of its digits is 1259712, while the sum is 48.

The square root of 343949493 is about 18545.8753635411. The cubic root of 343949493 is about 700.6453185141.

The spelling of 343949493 in words is "three hundred forty-three million, nine hundred forty-nine thousand, four hundred ninety-three".