347484393 has 6 divisors (see below), whose sum is σ = 501921914. Its totient is φ = 231656256.

The previous prime is 347484383. The next prime is 347484413. The reversal of 347484393 is 393484743.

It can be written as a sum of positive squares in only one way, i.e., 262051344 + 85433049 = 16188^2 + 9243^2 .

It is not a de Polignac number, because 347484393 - 2⁶ = 347484329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (347484373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19304680 + ... + 19304697.

Almost surely, 2^347484393 is an apocalyptic number.

It is an amenable number.

347484393 is a deficient number, since it is larger than the sum of its proper divisors (154437521).

347484393 is a wasteful number, since it uses less digits than its factorization.

347484393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38609383 (or 38609380 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 347484393 is about 18640.9332652633. The cubic root of 347484393 is about 703.0374086325.

The spelling of 347484393 in words is "three hundred forty-seven million, four hundred eighty-four thousand, three hundred ninety-three".