41216399 has 12 divisors (see below), whose sum is σ = 48319128. Its totient is φ = 35053200.

The previous prime is 41216363. The next prime is 41216401. The reversal of 41216399 is 99361214.

It is a Cunningham number, because it is equal to 6420²-1.

It is a de Polignac number, because none of the positive numbers 2^k-41216399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41216359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3209 + ... + 9629.

It is an arithmetic number, because the mean of its divisors is an integer number (4026594).

Almost surely, 2^41216399 is an apocalyptic number.

41216399 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

41216399 is a deficient number, since it is larger than the sum of its proper divisors (7102729).

41216399 is a wasteful number, since it uses less digits than its factorization.

41216399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566 (or 6559 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 41216399 is about 6419.9999221184. Note that the first 4 decimals coincide. The cubic root of 41216399 is about 345.4273189929.

The spelling of 41216399 in words is "forty-one million, two hundred sixteen thousand, three hundred ninety-nine".