3816217405 has 64 divisors (see below), whose sum is σ = 6279856128. Its totient is φ = 2149090560.

The previous prime is 3816217399. The next prime is 3816217417. The reversal of 3816217405 is 5047126183.

It is a de Polignac number, because none of the positive numbers 2^k-3816217405 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 227124 + ... + 243346.

It is an arithmetic number, because the mean of its divisors is an integer number (98122752).

Almost surely, 2^3816217405 is an apocalyptic number.

3816217405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3816217405 is a deficient number, since it is larger than the sum of its proper divisors (2463638723).

3816217405 is a wasteful number, since it uses less digits than its factorization.

3816217405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16306.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 3816217405 is about 61775.5405075504. The cubic root of 3816217405 is about 1562.7075221329.

The spelling of 3816217405 in words is "three billion, eight hundred sixteen million, two hundred seventeen thousand, four hundred five".