348632780 has 48 divisors (see below), whose sum is σ = 763499520. Its totient is φ = 133555968.

The previous prime is 348632771. The next prime is 348632783. The reversal of 348632780 is 87236843.

It is not an unprimeable number, because it can be changed into a prime (348632783) 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, 71294 + ... + 76026.

It is an arithmetic number, because the mean of its divisors is an integer number (15906240).

Almost surely, 2^348632780 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 348632780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381749760).

348632780 is an abundant number, since it is smaller than the sum of its proper divisors (414866740).

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

348632780 is a wasteful number, since it uses less digits than its factorization.

348632780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898 (or 4896 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 348632780 is about 18671.7106875615. The cubic root of 348632780 is about 703.8110369005.

The spelling of 348632780 in words is "three hundred forty-eight million, six hundred thirty-two thousand, seven hundred eighty".