8216415 has 12 divisors (see below), whose sum is σ = 14241864. Its totient is φ = 4382064.

The previous prime is 8216407. The next prime is 8216437. The reversal of 8216415 is 5146128.

It is not a de Polignac number, because 8216415 - 2³ = 8216407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91249 + ... + 91338.

It is an arithmetic number, because the mean of its divisors is an integer number (1186822).

Almost surely, 2^8216415 is an apocalyptic number.

8216415 is a deficient number, since it is larger than the sum of its proper divisors (6025449).

8216415 is a wasteful number, since it uses less digits than its factorization.

8216415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182598 (or 182595 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 8216415 is about 2866.4289630130. The cubic root of 8216415 is about 201.7874361048.

The spelling of 8216415 in words is "eight million, two hundred sixteen thousand, four hundred fifteen".