3994452 has 108 divisors (see below), whose sum is σ = 12780768. Its totient is φ = 1029600.

The previous prime is 3994429. The next prime is 3994453. The reversal of 3994452 is 2544993.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30427 + ... + 30557.

Almost surely, 2^3994452 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 3994452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6390384).

3994452 is an abundant number, since it is smaller than the sum of its proper divisors (8786316).

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

3994452 is a wasteful number, since it uses less digits than its factorization.

3994452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 154 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3994452 is about 1998.6125187239. The cubic root of 3994452 is about 158.6666803976. Note that the first 4 decimals are identical.

It can be divided in two parts, 399 and 4452, that added together give a triangular number (4851 = T₉₈).

The spelling of 3994452 in words is "three million, nine hundred ninety-four thousand, four hundred fifty-two".