343478655 has 24 divisors (see below), whose sum is σ = 641161248. Its totient is φ = 169096896.

The previous prime is 343478647. The next prime is 343478657. The reversal of 343478655 is 556874343.

It is not a de Polignac number, because 343478655 - 2³ = 343478647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 343478655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343478657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292987 + ... + 294156.

It is an arithmetic number, because the mean of its divisors is an integer number (26715052).

Almost surely, 2^343478655 is an apocalyptic number.

343478655 is a deficient number, since it is larger than the sum of its proper divisors (297682593).

343478655 is a wasteful number, since it uses less digits than its factorization.

343478655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587167 (or 587164 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 343478655 is about 18533.1771426272. The cubic root of 343478655 is about 700.3254642985.

The spelling of 343478655 in words is "three hundred forty-three million, four hundred seventy-eight thousand, six hundred fifty-five".