345643676 has 24 divisors (see below), whose sum is σ = 713588736. Its totient is φ = 143354160.

The previous prime is 345643673. The next prime is 345643699. The reversal of 345643676 is 676346543.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345643673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198236 + ... + 199971.

It is an arithmetic number, because the mean of its divisors is an integer number (29732864).

Almost surely, 2^345643676 is an apocalyptic number.

It is an amenable number.

345643676 is an abundant number, since it is smaller than the sum of its proper divisors (367945060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345643676 is a wasteful number, since it uses less digits than its factorization.

345643676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398249 (or 398247 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 44.

The square root of 345643676 is about 18591.4947220497. The cubic root of 345643676 is about 701.7938182867.

The spelling of 345643676 in words is "three hundred forty-five million, six hundred forty-three thousand, six hundred seventy-six".