345261866 has 8 divisors (see below), whose sum is σ = 519130080. Its totient is φ = 172218508.

The previous prime is 345261841. The next prime is 345261869. The reversal of 345261866 is 668162543.

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

It is a super-2 number, since 2×345261866² = 238411512227603912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345261869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205166 + ... + 206841.

It is an arithmetic number, because the mean of its divisors is an integer number (64891260).

Almost surely, 2^345261866 is an apocalyptic number.

345261866 is a deficient number, since it is larger than the sum of its proper divisors (173868214).

345261866 is a wasteful number, since it uses less digits than its factorization.

345261866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412428.

The product of its digits is 207360, while the sum is 41.

The square root of 345261866 is about 18581.2234796313. The cubic root of 345261866 is about 701.5353144768.

The spelling of 345261866 in words is "three hundred forty-five million, two hundred sixty-one thousand, eight hundred sixty-six".