345357646 has 8 divisors (see below), whose sum is σ = 527810904. Its totient is φ = 169420680.

The previous prime is 345357619. The next prime is 345357653. The reversal of 345357646 is 646753543.

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

It is a super-2 number, since 2×345357646² = 238543807301322632, which contains 22 as substring.

It is a congruent number.

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, 1628940 + ... + 1629151.

It is an arithmetic number, because the mean of its divisors is an integer number (65976363).

Almost surely, 2^345357646 is an apocalyptic number.

345357646 is a deficient number, since it is larger than the sum of its proper divisors (182453258).

345357646 is a wasteful number, since it uses less digits than its factorization.

345357646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258146.

The product of its digits is 907200, while the sum is 43.

The square root of 345357646 is about 18583.8006338854. The cubic root of 345357646 is about 701.6001800629.

The spelling of 345357646 in words is "three hundred forty-five million, three hundred fifty-seven thousand, six hundred forty-six".