34420215 has 16 divisors (see below), whose sum is σ = 56245248. Its totient is φ = 17966496.

The previous prime is 34420193. The next prime is 34420247. The reversal of 34420215 is 51202443.

It is not a de Polignac number, because 34420215 - 2⁶ = 34420151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34420191 and 34420200.

It is a congruent number.

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, 23707 + ... + 25116.

It is an arithmetic number, because the mean of its divisors is an integer number (3515328).

Almost surely, 2^34420215 is an apocalyptic number.

34420215 is a deficient number, since it is larger than the sum of its proper divisors (21825033).

34420215 is a wasteful number, since it uses less digits than its factorization.

34420215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48878.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 34420215 is about 5866.8743807926. The cubic root of 34420215 is about 325.2903598403.

Adding to 34420215 its reverse (51202443), we get a palindrome (85622658).

The spelling of 34420215 in words is "thirty-four million, four hundred twenty thousand, two hundred fifteen".