343946394 has 24 divisors (see below), whose sum is σ = 812964672. Its totient is φ = 104226120.

The previous prime is 343946381. The next prime is 343946411. The reversal of 343946394 is 493649343.

343946394 is a `hidden beast` number, since 3 + 4 + 3 + 9 + 4 + 639 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 868354 + ... + 868749.

It is an arithmetic number, because the mean of its divisors is an integer number (33873528).

Almost surely, 2^343946394 is an apocalyptic number.

343946394 is an abundant number, since it is smaller than the sum of its proper divisors (469018278).

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

343946394 is a wasteful number, since it uses less digits than its factorization.

343946394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737122 (or 1737119 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 343946394 is about 18545.7918137781. The cubic root of 343946394 is about 700.6432142261.

The spelling of 343946394 in words is "three hundred forty-three million, nine hundred forty-six thousand, three hundred ninety-four".