3852215931 has 16 divisors (see below), whose sum is σ = 5282182400. Its totient is φ = 2495797920.

The previous prime is 3852215923. The next prime is 3852215981. The reversal of 3852215931 is 1395122583.

It is not a de Polignac number, because 3852215931 - 2³ = 3852215923 is a prime.

It is a super-2 number, since 2×3852215931² = 29679135158100393522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3852215931.

It is not an unprimeable number, because it can be changed into a prime (3852215911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49360 + ... + 100701.

It is an arithmetic number, because the mean of its divisors is an integer number (330136400).

Almost surely, 2^3852215931 is an apocalyptic number.

3852215931 is a deficient number, since it is larger than the sum of its proper divisors (1429966469).

3852215931 is a wasteful number, since it uses less digits than its factorization.

3852215931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150306.

The product of its digits is 64800, while the sum is 39.

The square root of 3852215931 is about 62066.2221421604. Note that the first 3 decimals coincide. The cubic root of 3852215931 is about 1567.6058456897.

The spelling of 3852215931 in words is "three billion, eight hundred fifty-two million, two hundred fifteen thousand, nine hundred thirty-one".