342539784 has 96 divisors (see below), whose sum is σ = 966738240. Its totient is φ = 109468800.

The previous prime is 342539779. The next prime is 342539833. The reversal of 342539784 is 487935243.

342539784 is a `hidden beast` number, since 3 + 42 + 539 + 78 + 4 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 188239 + ... + 190049.

It is an arithmetic number, because the mean of its divisors is an integer number (10070190).

Almost surely, 2^342539784 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 342539784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483369120).

342539784 is an abundant number, since it is smaller than the sum of its proper divisors (624198456).

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

342539784 is a wasteful number, since it uses less digits than its factorization.

342539784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1924 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 342539784 is about 18507.8303428576. The cubic root of 342539784 is about 699.6867877665.

The spelling of 342539784 in words is "three hundred forty-two million, five hundred thirty-nine thousand, seven hundred eighty-four".