345549384 has 96 divisors (see below), whose sum is σ = 984367800. Its totient is φ = 109347840.

The previous prime is 345549383. The next prime is 345549439. The reversal of 345549384 is 483945543.

345549384 is a `hidden beast` number, since 3 + 4 + 554 + 93 + 8 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 305480484 + 40068900 = 17478^2 + 6330^2 .

It is not an unprimeable number, because it can be changed into a prime (345549383) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 126012 + ... + 128724.

Almost surely, 2^345549384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345549384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492183900).

345549384 is an abundant number, since it is smaller than the sum of its proper divisors (638818416).

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

345549384 is a wasteful number, since it uses less digits than its factorization.

345549384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815 (or 2808 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 345549384 is about 18588.9586583004. The cubic root of 345549384 is about 701.7299957572.

The spelling of 345549384 in words is "three hundred forty-five million, five hundred forty-nine thousand, three hundred eighty-four".