345573828 has 36 divisors (see below), whose sum is σ = 883357020. Its totient is φ = 113895936.

The previous prime is 345573779. The next prime is 345573853. The reversal of 345573828 is 828375543.

It can be written as a sum of positive squares in 2 ways, for example, as 84492864 + 261080964 = 9192^2 + 16158^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 50725 + ... + 57132.

It is an arithmetic number, because the mean of its divisors is an integer number (24537695).

Almost surely, 2^345573828 is an apocalyptic number.

It is an amenable number.

345573828 is an abundant number, since it is smaller than the sum of its proper divisors (537783192).

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

345573828 is a wasteful number, since it uses less digits than its factorization.

345573828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107956 (or 107951 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 345573828 is about 18589.6161337452. The cubic root of 345573828 is about 701.7465420498.

The spelling of 345573828 in words is "three hundred forty-five million, five hundred seventy-three thousand, eight hundred twenty-eight".