346381906 has 8 divisors (see below), whose sum is σ = 559540044. Its totient is φ = 159868560.

The previous prime is 346381897. The next prime is 346381921. The reversal of 346381906 is 609183643.

It can be written as a sum of positive squares in 2 ways, for example, as 346294881 + 87025 = 18609^2 + 295^2 .

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

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, 6661165 + ... + 6661216.

Almost surely, 2^346381906 is an apocalyptic number.

346381906 is a deficient number, since it is larger than the sum of its proper divisors (213158138).

346381906 is a wasteful number, since it uses less digits than its factorization.

346381906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13322396.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 346381906 is about 18611.3381034250. The cubic root of 346381906 is about 702.2930962803.

The spelling of 346381906 in words is "three hundred forty-six million, three hundred eighty-one thousand, nine hundred six".