345020084 has 12 divisors (see below), whose sum is σ = 618511908. Its totient is φ = 168302400.

The previous prime is 345020057. The next prime is 345020129. The reversal of 345020084 is 480020543.

It can be written as a sum of positive squares in 2 ways, for example, as 5428900 + 339591184 = 2330^2 + 18428^2 .

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, 1051727 + ... + 1052054.

It is an arithmetic number, because the mean of its divisors is an integer number (51542659).

Almost surely, 2^345020084 is an apocalyptic number.

It is an amenable number.

345020084 is a deficient number, since it is larger than the sum of its proper divisors (273491824).

345020084 is a wasteful number, since it uses less digits than its factorization.

345020084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103826 (or 2103824 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 345020084 is about 18574.7162562447. The cubic root of 345020084 is about 701.3715178175.

The spelling of 345020084 in words is "three hundred forty-five million, twenty thousand, eighty-four".