346312728 has 48 divisors (see below), whose sum is σ = 938925000. Its totient is φ = 115315200.

The previous prime is 346312709. The next prime is 346312741. The reversal of 346312728 is 827213643.

It is a happy number.

346312728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 346312692 and 346312701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88003 + ... + 91853.

Almost surely, 2^346312728 is an apocalyptic number.

It is an amenable number.

346312728 is an abundant number, since it is smaller than the sum of its proper divisors (592612272).

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

346312728 is a wasteful number, since it uses less digits than its factorization.

346312728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112 (or 5105 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 346312728 is about 18609.4795198576. The cubic root of 346312728 is about 702.2463401174.

The spelling of 346312728 in words is "three hundred forty-six million, three hundred twelve thousand, seven hundred twenty-eight".