348728 has 8 divisors (see below), whose sum is σ = 653880. Its totient is φ = 174360.

The previous prime is 348709. The next prime is 348731. The reversal of 348728 is 827843.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×348728² = 243222435968, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁴ + 4⁸ + 7⁵ + 8² + 2¹⁸ + 8⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 348694 and 348703.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 348728.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21788 + ... + 21803.

It is an arithmetic number, because the mean of its divisors is an integer number (81735).

2³⁴⁸⁷²⁸ is an apocalyptic number.

It is an amenable number.

348728 is a deficient number, since it is larger than the sum of its proper divisors (305152).

348728 is a wasteful number, since it uses less digits than its factorization.

348728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43597 (or 43593 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 348728 is about 590.5319635718. The cubic root of 348728 is about 70.3875106977.

The spelling of 348728 in words is "three hundred forty-eight thousand, seven hundred twenty-eight".