34243020 has 96 divisors (see below), whose sum is σ = 121766400. Its totient is φ = 7826112.

The previous prime is 34243009. The next prime is 34243051. The reversal of 34243020 is 2034243.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 34242984 and 34243002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (1268400).

Almost surely, 2^34243020 is an apocalyptic number.

34243020 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 34243020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60883200).

34243020 is an abundant number, since it is smaller than the sum of its proper divisors (87523380).

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

34243020 is a wasteful number, since it uses less digits than its factorization.

34243020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084 (or 9076 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 34243020 is about 5851.7535833287. The cubic root of 34243020 is about 324.7312018091.

Adding to 34243020 its reverse (2034243), we get a palindrome (36277263).

The spelling of 34243020 in words is "thirty-four million, two hundred forty-three thousand, twenty".