3856411 has 12 divisors (see below), whose sum is σ = 4399320. Its totient is φ = 3369600.

The previous prime is 3856409. The next prime is 3856451. The reversal of 3856411 is 1146583.

It is not a de Polignac number, because 3856411 - 2¹ = 3856409 is a prime.

It is a Duffinian number.

3856411 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3856411.

It is not an unprimeable number, because it can be changed into a prime (3856451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2611 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (366610).

Almost surely, 2^3856411 is an apocalyptic number.

3856411 is a deficient number, since it is larger than the sum of its proper divisors (542909).

3856411 is a wasteful number, since it uses less digits than its factorization.

3856411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1233 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 3856411 is about 1963.7746815763. The cubic root of 3856411 is about 156.8174680968.

The spelling of 3856411 in words is "three million, eight hundred fifty-six thousand, four hundred eleven".