343874653 has 4 divisors (see below), whose sum is σ = 350362908. Its totient is φ = 337386400.

The previous prime is 343874647. The next prime is 343874669. The reversal of 343874653 is 356478343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356478343 = 13 ⋅27421411.

It can be written as a sum of positive squares in 2 ways, for example, as 107391769 + 236482884 = 10363^2 + 15378^2 .

It is a cyclic number.

It is not a de Polignac number, because 343874653 - 2⁵ = 343874621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343874683) 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, 3244048 + ... + 3244153.

It is an arithmetic number, because the mean of its divisors is an integer number (87590727).

Almost surely, 2^343874653 is an apocalyptic number.

It is an amenable number.

343874653 is a deficient number, since it is larger than the sum of its proper divisors (6488255).

343874653 is an equidigital number, since it uses as much as digits as its factorization.

343874653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488254.

The product of its digits is 725760, while the sum is 43.

The square root of 343874653 is about 18543.8575544572. The cubic root of 343874653 is about 700.5944970026.

The spelling of 343874653 in words is "three hundred forty-three million, eight hundred seventy-four thousand, six hundred fifty-three".