34287216 has 40 divisors (see below), whose sum is σ = 89108880. Its totient is φ = 11360256.

The previous prime is 34287199. The next prime is 34287223. The reversal of 34287216 is 61278243.

It is a super-2 number, since 2×34287216² = 2351226362061312, which contains 22 as substring.

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, 6240 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (2227722).

Almost surely, 2^34287216 is an apocalyptic number.

It is an amenable number.

34287216 is an abundant number, since it is smaller than the sum of its proper divisors (54821664).

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

34287216 is a wasteful number, since it uses less digits than its factorization.

34287216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313 (or 4307 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 34287216 is about 5855.5286695567. The cubic root of 34287216 is about 324.8708473018.

The spelling of 34287216 in words is "thirty-four million, two hundred eighty-seven thousand, two hundred sixteen".