342439960 has 64 divisors (see below), whose sum is σ = 797623200. Its totient is φ = 132228096.

The previous prime is 342439931. The next prime is 342439961. The reversal of 342439960 is 69934243.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342439961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151962 + ... + 154198.

Almost surely, 2^342439960 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 342439960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398811600).

342439960 is an abundant number, since it is smaller than the sum of its proper divisors (455183240).

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

342439960 is a wasteful number, since it uses less digits than its factorization.

342439960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 342439960 is about 18505.1333418595. The cubic root of 342439960 is about 699.6188128692.

The spelling of 342439960 in words is "three hundred forty-two million, four hundred thirty-nine thousand, nine hundred sixty".