348438040 has 64 divisors (see below), whose sum is σ = 820834560. Its totient is φ = 132865920.

The previous prime is 348438029. The next prime is 348438043. The reversal of 348438040 is 40834843.

It is a junction number, because it is equal to n+sod(n) for n = 348437987 and 348438005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348438043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429235 + ... + 430045.

It is an arithmetic number, because the mean of its divisors is an integer number (12825540).

Almost surely, 2^348438040 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 348438040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410417280).

348438040 is an abundant number, since it is smaller than the sum of its proper divisors (472396520).

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

348438040 is a wasteful number, since it uses less digits than its factorization.

348438040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 348438040 is about 18666.4951182593. The cubic root of 348438040 is about 703.6799670978.

The spelling of 348438040 in words is "three hundred forty-eight million, four hundred thirty-eight thousand, forty".