343581994 has 16 divisors (see below), whose sum is σ = 590374656. Its totient is φ = 146905200.

The previous prime is 343581991. The next prime is 343582039. The reversal of 343581994 is 499185343.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (343581991) 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, 22437 + ... + 34504.

It is an arithmetic number, because the mean of its divisors is an integer number (36898416).

Almost surely, 2^343581994 is an apocalyptic number.

343581994 is a deficient number, since it is larger than the sum of its proper divisors (246792662).

343581994 is a wasteful number, since it uses less digits than its factorization.

343581994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57381.

The product of its digits is 466560, while the sum is 46.

The square root of 343581994 is about 18535.9648791208. The cubic root of 343581994 is about 700.3956905707.

The spelling of 343581994 in words is "three hundred forty-three million, five hundred eighty-one thousand, nine hundred ninety-four".