3881304215 has 16 divisors (see below), whose sum is σ = 4755887136. Its totient is φ = 3039753600.

The previous prime is 3881304149. The next prime is 3881304241. The reversal of 3881304215 is 5124031883.

It is a happy number.

It is not a de Polignac number, because 3881304215 - 2²⁶ = 3814195351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106280 + ... + 138050.

It is an arithmetic number, because the mean of its divisors is an integer number (297242946).

Almost surely, 2^3881304215 is an apocalyptic number.

3881304215 is a deficient number, since it is larger than the sum of its proper divisors (874582921).

3881304215 is a wasteful number, since it uses less digits than its factorization.

3881304215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32290.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 3881304215 is about 62300.1140849678. The cubic root of 3881304215 is about 1571.5416470167.

The spelling of 3881304215 in words is "three billion, eight hundred eighty-one million, three hundred four thousand, two hundred fifteen".