34782216 has 32 divisors (see below), whose sum is σ = 99378240. Its totient is φ = 9937728.

The previous prime is 34782197. The next prime is 34782247. The reversal of 34782216 is 61228743.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103351 + ... + 103686.

It is an arithmetic number, because the mean of its divisors is an integer number (3105570).

Almost surely, 2^34782216 is an apocalyptic number.

It is an amenable number.

34782216 is an abundant number, since it is smaller than the sum of its proper divisors (64596024).

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

34782216 is a wasteful number, since it uses less digits than its factorization.

34782216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207053 (or 207049 counting only the distinct ones).

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

The square root of 34782216 is about 5897.6449537082. The cubic root of 34782216 is about 326.4267561448.

The spelling of 34782216 in words is "thirty-four million, seven hundred eighty-two thousand, two hundred sixteen".