342758940 has 48 divisors (see below), whose sum is σ = 990689280. Its totient is φ = 88453440.

The previous prime is 342758887. The next prime is 342758951. The reversal of 342758940 is 49857243.

It is a junction number, because it is equal to n+sod(n) for n = 342758892 and 342758901.

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 15 ways as a sum of consecutive naturals, for example, 90280 + ... + 93999.

It is an arithmetic number, because the mean of its divisors is an integer number (20639360).

Almost surely, 2^342758940 is an apocalyptic number.

342758940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342758940 is an abundant number, since it is smaller than the sum of its proper divisors (647930340).

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

342758940 is a wasteful number, since it uses less digits than its factorization.

342758940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184322 (or 184320 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 342758940 is about 18513.7500253190. The cubic root of 342758940 is about 699.8359751740.

The spelling of 342758940 in words is "three hundred forty-two million, seven hundred fifty-eight thousand, nine hundred forty".