342247620 has 192 divisors, whose sum is σ = 1139007744. Its totient is φ = 75694080.

The previous prime is 342247583. The next prime is 342247643. The reversal of 342247620 is 26742243.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 969364 + ... + 969716.

It is an arithmetic number, because the mean of its divisors is an integer number (5932332).

Almost surely, 2^342247620 is an apocalyptic number.

342247620 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 342247620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569503872).

342247620 is an abundant number, since it is smaller than the sum of its proper divisors (796760124).

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

342247620 is a wasteful number, since it uses less digits than its factorization.

342247620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 342247620 is about 18499.9356755638. The cubic root of 342247620 is about 699.4878021813.

Adding to 342247620 its reverse (26742243), we get a palindrome (368989863).

The spelling of 342247620 in words is "three hundred forty-two million, two hundred forty-seven thousand, six hundred twenty".