345406111 has 8 divisors (see below), whose sum is σ = 379393920. Its totient is φ = 312999192.

The previous prime is 345406109. The next prime is 345406121. The reversal of 345406111 is 111604543.

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

It is a cyclic number.

It is not a de Polignac number, because 345406111 - 2¹ = 345406109 is a prime.

It is a super-2 number, since 2×345406111² = 238610763032288642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345406121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394765 + ... + 395638.

It is an arithmetic number, because the mean of its divisors is an integer number (47424240).

Almost surely, 2^345406111 is an apocalyptic number.

345406111 is a deficient number, since it is larger than the sum of its proper divisors (33987809).

345406111 is a wasteful number, since it uses less digits than its factorization.

345406111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790445.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 345406111 is about 18585.1045463834. The cubic root of 345406111 is about 701.6329976967.

The spelling of 345406111 in words is "three hundred forty-five million, four hundred six thousand, one hundred eleven".