3985392 has 40 divisors (see below), whose sum is σ = 10435840. Its totient is φ = 1310400.

The previous prime is 3985363. The next prime is 3985393. The reversal of 3985392 is 2935893.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3985392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3267 + ... + 4317.

It is an arithmetic number, because the mean of its divisors is an integer number (260896).

Almost surely, 2^3985392 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 3985392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5217920).

3985392 is an abundant number, since it is smaller than the sum of its proper divisors (6450448).

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

3985392 is a wasteful number, since it uses less digits than its factorization.

3985392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1135 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 3985392 is about 1996.3446596217. The cubic root of 3985392 is about 158.5466298600.

The spelling of 3985392 in words is "three million, nine hundred eighty-five thousand, three hundred ninety-two".