348103728 has 120 divisors (see below), whose sum is σ = 1119669408. Its totient is φ = 98896896.

The previous prime is 348103727. The next prime is 348103729. The reversal of 348103728 is 827301843.

It is an interprime number because it is at equal distance from previous prime (348103727) and next prime (348103729).

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 = 348103692 and 348103701.

It is not an unprimeable number, because it can be changed into a prime (348103727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197700 + ... + 199452.

Almost surely, 2^348103728 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 348103728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559834704).

348103728 is an abundant number, since it is smaller than the sum of its proper divisors (771565680).

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

348103728 is a wasteful number, since it uses less digits than its factorization.

348103728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 348103728 is about 18657.5381012608. The cubic root of 348103728 is about 703.4548444003.

The spelling of 348103728 in words is "three hundred forty-eight million, one hundred three thousand, seven hundred twenty-eight".