213670346 has 8 divisors (see below), whose sum is σ = 321352320. Its totient is φ = 106552908.

The previous prime is 213670313. The next prime is 213670357. The reversal of 213670346 is 643076312.

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, 140186 + ... + 141701.

It is an arithmetic number, because the mean of its divisors is an integer number (40169040).

Almost surely, 2^213670346 is an apocalyptic number.

213670346 is a deficient number, since it is larger than the sum of its proper divisors (107681974).

213670346 is a wasteful number, since it uses less digits than its factorization.

213670346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282268.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 213670346 is about 14617.4671540592. The cubic root of 213670346 is about 597.8351111179.

The spelling of 213670346 in words is "two hundred thirteen million, six hundred seventy thousand, three hundred forty-six".