348945420 has 96 divisors (see below), whose sum is σ = 1024192512. Its totient is φ = 88599808.

The previous prime is 348945419. The next prime is 348945427. The reversal of 348945420 is 24549843.

348945420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×348945420² = 243525812277952800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (348945427) 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 31 ways as a sum of consecutive naturals, for example, 403909 + ... + 404771.

It is an arithmetic number, because the mean of its divisors is an integer number (10668672).

Almost surely, 2^348945420 is an apocalyptic number.

348945420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348945420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512096256).

348945420 is an abundant number, since it is smaller than the sum of its proper divisors (675247092).

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

348945420 is a wasteful number, since it uses less digits than its factorization.

348945420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 348945420 is about 18680.0808349429. The cubic root of 348945420 is about 704.0213572851.

The spelling of 348945420 in words is "three hundred forty-eight million, nine hundred forty-five thousand, four hundred twenty".