348121920 has 224 divisors, whose sum is σ = 1189012608. Its totient is φ = 85983232.

The previous prime is 348121919. The next prime is 348121927. The reversal of 348121920 is 29121843.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348121927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1354432 + ... + 1354688.

It is an arithmetic number, because the mean of its divisors is an integer number (5308092).

Almost surely, 2^348121920 is an apocalyptic number.

348121920 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 348121920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594506304).

348121920 is an abundant number, since it is smaller than the sum of its proper divisors (840890688).

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

348121920 is a wasteful number, since it uses less digits than its factorization.

348121920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 348121920 is about 18658.0256190198. The cubic root of 348121920 is about 703.4670984371.

The spelling of 348121920 in words is "three hundred forty-eight million, one hundred twenty-one thousand, nine hundred twenty".