343620368 has 160 divisors (see below), whose sum is σ = 885276672. Its totient is φ = 125452800.

The previous prime is 343620341. The next prime is 343620383. The reversal of 343620368 is 863026343.

It is a Cunningham number, because it is equal to 18537²-1.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1037963 + ... + 1038293.

Almost surely, 2^343620368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343620368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442638336).

343620368 is an abundant number, since it is smaller than the sum of its proper divisors (541656304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343620368 is a wasteful number, since it uses less digits than its factorization.

With its successor (343620369) it forms an eRAP, since the sums of their prime factors are consecutive (413 and 414).

343620368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 343620368 is about 18536.9999730269. Note that the first 4 decimals coincide. The cubic root of 343620368 is about 700.4217648743.

The spelling of 343620368 in words is "three hundred forty-three million, six hundred twenty thousand, three hundred sixty-eight".