34115420 has 24 divisors (see below), whose sum is σ = 73168704. Its totient is φ = 13355456.

The previous prime is 34115381. The next prime is 34115441. The reversal of 34115420 is 2451143.

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 = 34115392 and 34115401.

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, 17207 + ... + 19086.

It is an arithmetic number, because the mean of its divisors is an integer number (3048696).

Almost surely, 2^34115420 is an apocalyptic number.

It is an amenable number.

34115420 is an abundant number, since it is smaller than the sum of its proper divisors (39053284).

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

34115420 is a wasteful number, since it uses less digits than its factorization.

34115420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36349 (or 36347 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 34115420 is about 5840.8406929140. The cubic root of 34115420 is about 324.3273504009.

Adding to 34115420 its reverse (2451143), we get a palindrome (36566563).

The spelling of 34115420 in words is "thirty-four million, one hundred fifteen thousand, four hundred twenty".