342402872 has 32 divisors (see below), whose sum is σ = 736819200. Its totient is φ = 146124384.

The previous prime is 342402869. The next prime is 342402877. The reversal of 342402872 is 278204243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342402877) 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 7 ways as a sum of consecutive naturals, for example, 593 + ... + 26175.

It is an arithmetic number, because the mean of its divisors is an integer number (23025600).

Almost surely, 2^342402872 is an apocalyptic number.

It is an amenable number.

342402872 is an abundant number, since it is smaller than the sum of its proper divisors (394416328).

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

342402872 is a wasteful number, since it uses less digits than its factorization.

342402872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25835 (or 25831 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 342402872 is about 18504.1312144072. The cubic root of 342402872 is about 699.5935545248.

The spelling of 342402872 in words is "three hundred forty-two million, four hundred two thousand, eight hundred seventy-two".