3806436 has 48 divisors (see below), whose sum is σ = 9628416. Its totient is φ = 1165824.

The previous prime is 3806423. The next prime is 3806437. The reversal of 3806436 is 6346083.

It is not an unprimeable number, because it can be changed into a prime (3806437) 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, 9390 + ... + 9786.

It is an arithmetic number, because the mean of its divisors is an integer number (200592).

Almost surely, 2^3806436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3806436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4814208).

3806436 is an abundant number, since it is smaller than the sum of its proper divisors (5821980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3806436 is a wasteful number, since it uses less digits than its factorization.

3806436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3806436 is about 1951.0089697385. The cubic root of 3806436 is about 156.1371246649.

The spelling of 3806436 in words is "three million, eight hundred six thousand, four hundred thirty-six".