348029784 has 80 divisors (see below), whose sum is σ = 982713600. Its totient is φ = 115069248.

The previous prime is 348029761. The next prime is 348029789. The reversal of 348029784 is 487920843.

348029784 is a `hidden beast` number, since 3 + 480 + 2 + 97 + 84 = 666.

It is a super-2 number, since 2×348029784² = 242249461102173312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348029789) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80182 + ... + 84410.

It is an arithmetic number, because the mean of its divisors is an integer number (12283920).

Almost surely, 2^348029784 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 348029784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491356800).

348029784 is an abundant number, since it is smaller than the sum of its proper divisors (634683816).

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

348029784 is a wasteful number, since it uses less digits than its factorization.

348029784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 348029784 is about 18655.5563840910. The cubic root of 348029784 is about 703.4050317110.

The spelling of 348029784 in words is "three hundred forty-eight million, twenty-nine thousand, seven hundred eighty-four".