348544728 has 128 divisors (see below), whose sum is σ = 1124928000. Its totient is φ = 97925760.

The previous prime is 348544711. The next prime is 348544739. The reversal of 348544728 is 827445843.

It is a happy number.

348544728 is a `hidden beast` number, since 34 + 8 + 544 + 72 + 8 = 666.

348544728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90343 + ... + 94121.

It is an arithmetic number, because the mean of its divisors is an integer number (8788500).

Almost surely, 2^348544728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348544728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562464000).

348544728 is an abundant number, since it is smaller than the sum of its proper divisors (776383272).

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

348544728 is a wasteful number, since it uses less digits than its factorization.

348544728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3852 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 348544728 is about 18669.3526400891. The cubic root of 348544728 is about 703.7517795281.

The spelling of 348544728 in words is "three hundred forty-eight million, five hundred forty-four thousand, seven hundred twenty-eight".