342769920 has 144 divisors (see below), whose sum is σ = 1142612352. Its totient is φ = 87408640.

The previous prime is 342769913. The next prime is 342769939. The reversal of 342769920 is 29967243.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86380 + ... + 90260.

It is an arithmetic number, because the mean of its divisors is an integer number (7934808).

Almost surely, 2^342769920 is an apocalyptic number.

342769920 is a gapful number since it is divisible by the number (30) 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 342769920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571306176).

342769920 is an abundant number, since it is smaller than the sum of its proper divisors (799842432).

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

342769920 is a wasteful number, since it uses less digits than its factorization.

342769920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 342769920 is about 18514.0465593019. The cubic root of 342769920 is about 699.8434479836.

The spelling of 342769920 in words is "three hundred forty-two million, seven hundred sixty-nine thousand, nine hundred twenty".