3892812 has 72 divisors (see below), whose sum is σ = 11440128. Its totient is φ = 1008480.

The previous prime is 3892799. The next prime is 3892817. The reversal of 3892812 is 2182983.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3892817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9973 + ... + 10355.

Almost surely, 2^3892812 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 3892812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5720064).

3892812 is an abundant number, since it is smaller than the sum of its proper divisors (7547316).

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

3892812 is a wasteful number, since it uses less digits than its factorization.

3892812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 406 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 3892812 is about 1973.0210338463. The cubic root of 3892812 is about 157.3093283463.

The spelling of 3892812 in words is "three million, eight hundred ninety-two thousand, eight hundred twelve".