342629784 has 128 divisors (see below), whose sum is σ = 1114444800. Its totient is φ = 95489280.

The previous prime is 342629783. The next prime is 342629801. The reversal of 342629784 is 487926243.

342629784 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342629783) 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, 59229 + ... + 64755.

It is an arithmetic number, because the mean of its divisors is an integer number (8706600).

Almost surely, 2^342629784 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 342629784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557222400).

342629784 is an abundant number, since it is smaller than the sum of its proper divisors (771815016).

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

342629784 is a wasteful number, since it uses less digits than its factorization.

342629784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590 (or 5580 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 342629784 is about 18510.2615864822. The cubic root of 342629784 is about 699.7480617163.

The spelling of 342629784 in words is "three hundred forty-two million, six hundred twenty-nine thousand, seven hundred eighty-four".