34143320 has 32 divisors (see below), whose sum is σ = 77047200. Its totient is φ = 13617408.

The previous prime is 34143299. The next prime is 34143377. The reversal of 34143320 is 2334143.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34143292 and 34143301.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 15317 + ... + 17403.

It is an arithmetic number, because the mean of its divisors is an integer number (2407725).

Almost surely, 2^34143320 is an apocalyptic number.

It is an amenable number.

34143320 is an abundant number, since it is smaller than the sum of its proper divisors (42903880).

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

34143320 is a wasteful number, since it uses less digits than its factorization.

34143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34143320 is about 5843.2285596235. The cubic root of 34143320 is about 324.4157392436.

Adding to 34143320 its reverse (2334143), we get a palindrome (36477463).

The spelling of 34143320 in words is "thirty-four million, one hundred forty-three thousand, three hundred twenty".