3861263 has 16 divisors (see below), whose sum is σ = 4769280. Its totient is φ = 3052896.

The previous prime is 3861259. The next prime is 3861269. The reversal of 3861263 is 3621683.

It is not a de Polignac number, because 3861263 - 2² = 3861259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861269) 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, 4256 + ... + 5082.

It is an arithmetic number, because the mean of its divisors is an integer number (298080).

Almost surely, 2^3861263 is an apocalyptic number.

3861263 is a deficient number, since it is larger than the sum of its proper divisors (908017).

3861263 is a wasteful number, since it uses less digits than its factorization.

3861263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its digits is 5184, while the sum is 29.

The square root of 3861263 is about 1965.0096691874. The cubic root of 3861263 is about 156.8832079323.

The spelling of 3861263 in words is "three million, eight hundred sixty-one thousand, two hundred sixty-three".