34004220 has 24 divisors (see below), whose sum is σ = 95211984. Its totient is φ = 9067776.

The previous prime is 34004213. The next prime is 34004231. The reversal of 34004220 is 2240043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 34004220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283309 + ... + 283428.

It is an arithmetic number, because the mean of its divisors is an integer number (3967166).

Almost surely, 2^34004220 is an apocalyptic number.

34004220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34004220 is an abundant number, since it is smaller than the sum of its proper divisors (61207764).

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

34004220 is a wasteful number, since it uses less digits than its factorization.

34004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566749 (or 566747 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 34004220 is about 5831.3137456323. The cubic root of 34004220 is about 323.9745826731.

Adding to 34004220 its reverse (2240043), we get a palindrome (36244263).

The spelling of 34004220 in words is "thirty-four million, four thousand, two hundred twenty".