354640334 has 8 divisors (see below), whose sum is σ = 532063728. Its totient is φ = 177285760.

The previous prime is 354640309. The next prime is 354640337. The reversal of 354640334 is 433046453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 354640334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354640337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427 + ... + 26670.

It is an arithmetic number, because the mean of its divisors is an integer number (66507966).

Almost surely, 2^354640334 is an apocalyptic number.

354640334 is a deficient number, since it is larger than the sum of its proper divisors (177423394).

354640334 is a wasteful number, since it uses less digits than its factorization.

354640334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34410.

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 354640334 is about 18831.8967180685. The cubic root of 354640334 is about 707.8306688048.

Adding to 354640334 its reverse (433046453), we get a palindrome (787686787).

The spelling of 354640334 in words is "three hundred fifty-four million, six hundred forty thousand, three hundred thirty-four".