348428844 has 48 divisors (see below), whose sum is σ = 909132000. Its totient is φ = 115397568.

The previous prime is 348428831. The next prime is 348428849. The reversal of 348428844 is 448824843.

It is a self number, because there is not a number n which added to its sum of digits gives 348428844.

It is not an unprimeable number, because it can be changed into a prime (348428849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6682 + ... + 27230.

It is an arithmetic number, because the mean of its divisors is an integer number (18940250).

Almost surely, 2^348428844 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 348428844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454566000).

348428844 is an abundant number, since it is smaller than the sum of its proper divisors (560703156).

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

348428844 is a wasteful number, since it uses less digits than its factorization.

348428844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20719 (or 20711 counting only the distinct ones).

The product of its digits is 786432, while the sum is 45.

The square root of 348428844 is about 18666.2487929418. The cubic root of 348428844 is about 703.6737765205.

The spelling of 348428844 in words is "three hundred forty-eight million, four hundred twenty-eight thousand, eight hundred forty-four".