34043420 has 12 divisors (see below), whose sum is σ = 71491224. Its totient is φ = 13617360.

The previous prime is 34043393. The next prime is 34043453. The reversal of 34043420 is 2434043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1702171 = 34043420 / (3 + 4 + 0 + 4 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 34043392 and 34043401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851066 + ... + 851105.

It is an arithmetic number, because the mean of its divisors is an integer number (5957602).

Almost surely, 2^34043420 is an apocalyptic number.

It is an amenable number.

34043420 is an abundant number, since it is smaller than the sum of its proper divisors (37447804).

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

34043420 is a wasteful number, since it uses less digits than its factorization.

34043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702180 (or 1702178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 34043420 is about 5834.6739411899. The cubic root of 34043420 is about 324.0990272926.

Adding to 34043420 its reverse (2434043), we get a palindrome (36477463).

The spelling of 34043420 in words is "thirty-four million, forty-three thousand, four hundred twenty".