34004420 has 48 divisors (see below), whose sum is σ = 76422528. Its totient is φ = 12664320.

The previous prime is 34004413. The next prime is 34004447. The reversal of 34004420 is 2440043.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34535 + ... + 35505.

It is an arithmetic number, because the mean of its divisors is an integer number (1592136).

Almost surely, 2^34004420 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 34004420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38211264).

34004420 is an abundant number, since it is smaller than the sum of its proper divisors (42418108).

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

34004420 is a wasteful number, since it uses less digits than its factorization.

34004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 34004420 is about 5831.3308944014. The cubic root of 34004420 is about 323.9752178373.

Adding to 34004420 its reverse (2440043), we get a palindrome (36444463).

The spelling of 34004420 in words is "thirty-four million, four thousand, four hundred twenty".