343580394 has 16 divisors (see below), whose sum is σ = 717037632. Its totient is φ = 109547328.

The previous prime is 343580389. The next prime is 343580443. The reversal of 343580394 is 493085343.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1244719 + ... + 1244994.

It is an arithmetic number, because the mean of its divisors is an integer number (44814852).

Almost surely, 2^343580394 is an apocalyptic number.

343580394 is an abundant number, since it is smaller than the sum of its proper divisors (373457238).

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

343580394 is a wasteful number, since it uses less digits than its factorization.

343580394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489741.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 343580394 is about 18535.9217197311. The cubic root of 343580394 is about 700.3946033631.

The spelling of 343580394 in words is "three hundred forty-three million, five hundred eighty thousand, three hundred ninety-four".