3785648215 has 8 divisors (see below), whose sum is σ = 4573267200. Its totient is φ = 3008192352.

The previous prime is 3785648201. The next prime is 3785648221. The reversal of 3785648215 is 5128465873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3785648215 - 2⁵ = 3785648183 is a prime.

It is a super-2 number, since 2×3785648215² = 28662264815465372450, which contains 22 as substring.

It is a congruent number.

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, 2539959 + ... + 2541448.

It is an arithmetic number, because the mean of its divisors is an integer number (571658400).

Almost surely, 2^3785648215 is an apocalyptic number.

3785648215 is a deficient number, since it is larger than the sum of its proper divisors (787618985).

3785648215 is a wasteful number, since it uses less digits than its factorization.

3785648215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081561.

The product of its digits is 1612800, while the sum is 49.

The square root of 3785648215 is about 61527.6215613768. The cubic root of 3785648215 is about 1558.5237259884.

The spelling of 3785648215 in words is "three billion, seven hundred eighty-five million, six hundred forty-eight thousand, two hundred fifteen".