334634393 has 16 divisors (see below), whose sum is σ = 352026000. Its totient is φ = 317678592.

The previous prime is 334634387. The next prime is 334634413. The reversal of 334634393 is 393436433.

It can be written as a sum of positive squares in 8 ways, for example, as 11102224 + 323532169 = 3332^2 + 17987^2 .

It is a cyclic number.

It is not a de Polignac number, because 334634393 - 2⁶ = 334634329 is a prime.

It is a super-2 number, since 2×334634393² = 223960353956956898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334634893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817973 + ... + 818381.

It is an arithmetic number, because the mean of its divisors is an integer number (22001625).

Almost surely, 2^334634393 is an apocalyptic number.

It is an amenable number.

334634393 is a deficient number, since it is larger than the sum of its proper divisors (17391607).

334634393 is a wasteful number, since it uses less digits than its factorization.

334634393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its digits is 209952, while the sum is 38.

The square root of 334634393 is about 18293.0148690696. The cubic root of 334634393 is about 694.2622075860.

The spelling of 334634393 in words is "three hundred thirty-four million, six hundred thirty-four thousand, three hundred ninety-three".