3894436 has 36 divisors (see below), whose sum is σ = 8444352. Its totient is φ = 1538784.

The previous prime is 3894433. The next prime is 3894469. The reversal of 3894436 is 6344983.

It is a junction number, because it is equal to n+sod(n) for n = 3894395 and 3894404.

It is not an unprimeable number, because it can be changed into a prime (3894431) 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, 4321 + ... + 5143.

Almost surely, 2^3894436 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 3894436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4222176).

3894436 is an abundant number, since it is smaller than the sum of its proper divisors (4549916).

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

3894436 is a wasteful number, since it uses less digits than its factorization.

3894436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 845 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 3894436 is about 1973.4325425512. The cubic root of 3894436 is about 157.3312006957.

The spelling of 3894436 in words is "three million, eight hundred ninety-four thousand, four hundred thirty-six".