345954728 has 16 divisors (see below), whose sum is σ = 741331680. Its totient is φ = 148266288.

The previous prime is 345954683. The next prime is 345954757. The reversal of 345954728 is 827459543.

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, 3088826 + ... + 3088937.

It is an arithmetic number, because the mean of its divisors is an integer number (46333230).

Almost surely, 2^345954728 is an apocalyptic number.

It is an amenable number.

345954728 is an abundant number, since it is smaller than the sum of its proper divisors (395376952).

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

345954728 is a wasteful number, since it uses less digits than its factorization.

345954728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177776 (or 6177772 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The square root of 345954728 is about 18599.8582790300. The cubic root of 345954728 is about 702.0042748310.

The spelling of 345954728 in words is "three hundred forty-five million, nine hundred fifty-four thousand, seven hundred twenty-eight".