342336820 has 96 divisors (see below), whose sum is σ = 880927488. Its totient is φ = 109074432.

The previous prime is 342336817. The next prime is 342336823. The reversal of 342336820 is 28633243.

It is an interprime number because it is at equal distance from previous prime (342336817) and next prime (342336823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342336823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196674 + ... + 198406.

It is an arithmetic number, because the mean of its divisors is an integer number (9176328).

Almost surely, 2^342336820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342336820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440463744).

342336820 is an abundant number, since it is smaller than the sum of its proper divisors (538590668).

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

342336820 is a wasteful number, since it uses less digits than its factorization.

342336820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 342336820 is about 18502.3463376946. The cubic root of 342336820 is about 699.5485660732.

The spelling of 342336820 in words is "three hundred forty-two million, three hundred thirty-six thousand, eight hundred twenty".