345261340 has 24 divisors (see below), whose sum is σ = 726640992. Its totient is φ = 137801280.

The previous prime is 345261299. The next prime is 345261359. The reversal of 345261340 is 43162543.

It is a junction number, because it is equal to n+sod(n) for n = 345261299 and 345261308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9504 + ... + 27943.

It is an arithmetic number, because the mean of its divisors is an integer number (30276708).

Almost surely, 2^345261340 is an apocalyptic number.

It is an amenable number.

345261340 is an abundant number, since it is smaller than the sum of its proper divisors (381379652).

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

345261340 is a wasteful number, since it uses less digits than its factorization.

345261340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37917 (or 37915 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 345261340 is about 18581.2093255525. The cubic root of 345261340 is about 701.5349582179.

The spelling of 345261340 in words is "three hundred forty-five million, two hundred sixty-one thousand, three hundred forty".