342835920 has 120 divisors (see below), whose sum is σ = 1315856256. Its totient is φ = 78361344.

The previous prime is 342835919. The next prime is 342835931. The reversal of 342835920 is 29538243.

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 28972 + ... + 39051.

Almost surely, 2^342835920 is an apocalyptic number.

342835920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342835920 is an abundant number, since it is smaller than the sum of its proper divisors (973020336).

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

342835920 is a wasteful number, since it uses less digits than its factorization.

342835920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68049 (or 68040 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 342835920 is about 18515.8289039405. The cubic root of 342835920 is about 699.8883631493. Note that the first 3 decimals are identical.

The spelling of 342835920 in words is "three hundred forty-two million, eight hundred thirty-five thousand, nine hundred twenty".