34040420 has 24 divisors (see below), whose sum is σ = 71623104. Its totient is φ = 13589856.

The previous prime is 34040401. The next prime is 34040423. The reversal of 34040420 is 2404043.

It is a super-3 number, since 3×34040420³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (34040423) by changing a digit.

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, 11537 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (2984296).

Almost surely, 2^34040420 is an apocalyptic number.

It is an amenable number.

34040420 is an abundant number, since it is smaller than the sum of its proper divisors (37582684).

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

34040420 is a wasteful number, since it uses less digits than its factorization.

34040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299 (or 3297 counting only the distinct ones).

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

The square root of 34040420 is about 5834.4168517513. The cubic root of 34040420 is about 324.0895068464.

Adding to 34040420 its reverse (2404043), we get a palindrome (36444463).

The spelling of 34040420 in words is "thirty-four million, forty thousand, four hundred twenty".