346640338 has 8 divisors (see below), whose sum is σ = 567229680. Its totient is φ = 157563780.

The previous prime is 346640323. The next prime is 346640377. The reversal of 346640338 is 833046643.

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

It is a junction number, because it is equal to n+sod(n) for n = 346640297 and 346640306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7878168 + ... + 7878211.

It is an arithmetic number, because the mean of its divisors is an integer number (70903710).

Almost surely, 2^346640338 is an apocalyptic number.

346640338 is a deficient number, since it is larger than the sum of its proper divisors (220589342).

346640338 is a wasteful number, since it uses less digits than its factorization.

346640338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15756392.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 346640338 is about 18618.2796734822. The cubic root of 346640338 is about 702.4677107620.

The spelling of 346640338 in words is "three hundred forty-six million, six hundred forty thousand, three hundred thirty-eight".