3885187172 has 48 divisors (see below), whose sum is σ = 6996014592. Its totient is φ = 1887390720.

The previous prime is 3885187153. The next prime is 3885187199. The reversal of 3885187172 is 2717815883.

It is a super-2 number, since 2×3885187172² = 30189358722946715168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3885187172.

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, 7181222 + ... + 7181762.

It is an arithmetic number, because the mean of its divisors is an integer number (145750304).

Almost surely, 2^3885187172 is an apocalyptic number.

It is an amenable number.

3885187172 is a deficient number, since it is larger than the sum of its proper divisors (3110827420).

3885187172 is a wasteful number, since it uses less digits than its factorization.

3885187172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 946 counting only the distinct ones).

The product of its digits is 752640, while the sum is 50.

The square root of 3885187172 is about 62331.2696164614. The cubic root of 3885187172 is about 1572.0655426360.

The spelling of 3885187172 in words is "three billion, eight hundred eighty-five million, one hundred eighty-seven thousand, one hundred seventy-two".