347143394 has 16 divisors (see below), whose sum is σ = 578860800. Its totient is φ = 155051280.

The previous prime is 347143373. The next prime is 347143403. The reversal of 347143394 is 493341743.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214544 + ... + 216155.

It is an arithmetic number, because the mean of its divisors is an integer number (36178800).

Almost surely, 2^347143394 is an apocalyptic number.

347143394 is a deficient number, since it is larger than the sum of its proper divisors (231717406).

347143394 is a wasteful number, since it uses less digits than its factorization.

347143394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430745.

The product of its digits is 108864, while the sum is 38.

The square root of 347143394 is about 18631.7845092734. The cubic root of 347143394 is about 702.8073613545.

The spelling of 347143394 in words is "three hundred forty-seven million, one hundred forty-three thousand, three hundred ninety-four".