342487872 has 112 divisors (see below), whose sum is σ = 1028517120. Its totient is φ = 111707136.

The previous prime is 342487867. The next prime is 342487877. The reversal of 342487872 is 278784243.

It is an interprime number because it is at equal distance from previous prime (342487867) and next prime (342487877).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342487877) 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 15 ways as a sum of consecutive naturals, for example, 79108 + ... + 83324.

Almost surely, 2^342487872 is an apocalyptic number.

342487872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342487872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514258560).

342487872 is an abundant number, since it is smaller than the sum of its proper divisors (686029248).

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

342487872 is a wasteful number, since it uses less digits than its factorization.

342487872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285 (or 4269 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 342487872 is about 18506.4278562882. The cubic root of 342487872 is about 699.6514400714.

The spelling of 342487872 in words is "three hundred forty-two million, four hundred eighty-seven thousand, eight hundred seventy-two".