343868551 has 8 divisors (see below), whose sum is σ = 371530544. Its totient is φ = 316379520.

The previous prime is 343868543. The next prime is 343868557. The reversal of 343868551 is 155868343.

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 343868551 - 2³ = 343868543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343868498 and 343868507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343868557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39090 + ... + 47071.

It is an arithmetic number, because the mean of its divisors is an integer number (46441318).

Almost surely, 2^343868551 is an apocalyptic number.

343868551 is a deficient number, since it is larger than the sum of its proper divisors (27661993).

343868551 is a wasteful number, since it uses less digits than its factorization.

343868551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86481.

The product of its digits is 345600, while the sum is 43.

The square root of 343868551 is about 18543.6930248535. The cubic root of 343868551 is about 700.5903529995.

The spelling of 343868551 in words is "three hundred forty-three million, eight hundred sixty-eight thousand, five hundred fifty-one".