342879816 has 32 divisors (see below), whose sum is σ = 857656800. Its totient is φ = 114232320.

The previous prime is 342879811. The next prime is 342879821. The reversal of 342879816 is 618978243.

It is an interprime number because it is at equal distance from previous prime (342879811) and next prime (342879821).

It is not an unprimeable number, because it can be changed into a prime (342879811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77800 + ... + 82088.

It is an arithmetic number, because the mean of its divisors is an integer number (26801775).

Almost surely, 2^342879816 is an apocalyptic number.

It is an amenable number.

342879816 is an abundant number, since it is smaller than the sum of its proper divisors (514776984).

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

342879816 is a wasteful number, since it uses less digits than its factorization.

342879816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629 (or 7625 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 342879816 is about 18517.0142301614. The cubic root of 342879816 is about 699.9182326260.

The spelling of 342879816 in words is "three hundred forty-two million, eight hundred seventy-nine thousand, eight hundred sixteen".