213456346 has 8 divisors (see below), whose sum is σ = 320559840. Its totient is φ = 106603068.

The previous prime is 213456319. The next prime is 213456379. The reversal of 213456346 is 643654312.

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

It is a super-2 number, since 2×213456346² = 91127223295343432, which contains 22 as substring.

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, 60406 + ... + 63841.

It is an arithmetic number, because the mean of its divisors is an integer number (40069980).

Almost surely, 2^213456346 is an apocalyptic number.

213456346 is a deficient number, since it is larger than the sum of its proper divisors (107103494).

213456346 is a wasteful number, since it uses less digits than its factorization.

213456346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125108.

The product of its digits is 51840, while the sum is 34.

The square root of 213456346 is about 14610.1453107079. The cubic root of 213456346 is about 597.6354586293.

The spelling of 213456346 in words is "two hundred thirteen million, four hundred fifty-six thousand, three hundred forty-six".