345396428 has 48 divisors (see below), whose sum is σ = 685843200. Its totient is φ = 151001664.

The previous prime is 345396427. The next prime is 345396433. The reversal of 345396428 is 824693543.

It is not an unprimeable number, because it can be changed into a prime (345396427) 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 15 ways as a sum of consecutive naturals, for example, 126623 + ... + 129321.

It is an arithmetic number, because the mean of its divisors is an integer number (14288400).

Almost surely, 2^345396428 is an apocalyptic number.

It is an amenable number.

345396428 is a deficient number, since it is larger than the sum of its proper divisors (340446772).

345396428 is a wasteful number, since it uses less digits than its factorization.

345396428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2844 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 345396428 is about 18584.8440402388. The cubic root of 345396428 is about 701.6264411868.

The spelling of 345396428 in words is "three hundred forty-five million, three hundred ninety-six thousand, four hundred twenty-eight".