3889812 has 12 divisors (see below), whose sum is σ = 9076256. Its totient is φ = 1296600.

The previous prime is 3889807. The next prime is 3889817. The reversal of 3889812 is 2189883.

It is an interprime number because it is at equal distance from previous prime (3889807) and next prime (3889817).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889817) 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, 162064 + ... + 162087.

Almost surely, 2^3889812 is an apocalyptic number.

It is an amenable number.

3889812 is an abundant number, since it is smaller than the sum of its proper divisors (5186444).

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

3889812 is a wasteful number, since it uses less digits than its factorization.

3889812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324158 (or 324156 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 3889812 is about 1972.2606318639. The cubic root of 3889812 is about 157.2689077568.

The spelling of 3889812 in words is "three million, eight hundred eighty-nine thousand, eight hundred twelve".