343620351 has 12 divisors (see below), whose sum is σ = 496873728. Its totient is φ = 228834144.

The previous prime is 343620341. The next prime is 343620383. The reversal of 343620351 is 153026343.

It is a happy number.

343620351 is a `hidden beast` number, since 3 + 4 + 3 + 620 + 35 + 1 = 666.

It is not a de Polignac number, because 343620351 - 2⁷ = 343620223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343620311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11455 + ... + 28608.

It is an arithmetic number, because the mean of its divisors is an integer number (41406144).

Almost surely, 2^343620351 is an apocalyptic number.

343620351 is a deficient number, since it is larger than the sum of its proper divisors (153253377).

343620351 is a wasteful number, since it uses less digits than its factorization.

343620351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41022 (or 41019 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 343620351 is about 18536.9995144845. Note that the first 3 decimals coincide. The cubic root of 343620351 is about 700.4217533236.

Adding to 343620351 its reverse (153026343), we get a palindrome (496646694).

The spelling of 343620351 in words is "three hundred forty-three million, six hundred twenty thousand, three hundred fifty-one".