348195840 has 88 divisors (see below), whose sum is σ = 1113731760. Its totient is φ = 92848128.

The previous prime is 348195833. The next prime is 348195847. The reversal of 348195840 is 48591843.

It is an interprime number because it is at equal distance from previous prime (348195833) and next prime (348195847).

It is a junction number, because it is equal to n+sod(n) for n = 348195792 and 348195801.

It is not an unprimeable number, because it can be changed into a prime (348195847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4026 + ... + 26694.

Almost surely, 2^348195840 is an apocalyptic number.

348195840 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 348195840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556865880).

348195840 is an abundant number, since it is smaller than the sum of its proper divisors (765535920).

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

348195840 is a wasteful number, since it uses less digits than its factorization.

348195840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22697 (or 22679 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 348195840 is about 18660.0064308671. The cubic root of 348195840 is about 703.5168861741.

The spelling of 348195840 in words is "three hundred forty-eight million, one hundred ninety-five thousand, eight hundred forty".