3867436 has 12 divisors (see below), whose sum is σ = 6986560. Its totient is φ = 1871280.

The previous prime is 3867433. The next prime is 3867443. The reversal of 3867436 is 6347683.

It is a happy number.

It is a super-2 number, since 2×3867436² = 29914122428192, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 3867395 and 3867404.

It is not an unprimeable number, because it can be changed into a prime (3867433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15471 + ... + 15718.

Almost surely, 2^3867436 is an apocalyptic number.

It is an amenable number.

3867436 is a deficient number, since it is larger than the sum of its proper divisors (3119124).

3867436 is a wasteful number, since it uses less digits than its factorization.

3867436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31224 (or 31222 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 3867436 is about 1966.5797720916. The cubic root of 3867436 is about 156.9667664656.

The spelling of 3867436 in words is "three million, eight hundred sixty-seven thousand, four hundred thirty-six".