4081392 has 60 divisors (see below), whose sum is σ = 13057200. Its totient is φ = 1165824.

The previous prime is 4081387. The next prime is 4081393. The reversal of 4081392 is 2931804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081393) 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, 1017 + ... + 3032.

It is an arithmetic number, because the mean of its divisors is an integer number (217620).

Almost surely, 2^4081392 is an apocalyptic number.

4081392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4081392 is an abundant number, since it is smaller than the sum of its proper divisors (8975808).

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

4081392 is a wasteful number, since it uses less digits than its factorization.

4081392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070 (or 4061 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4081392 is about 2020.2455296325. The cubic root of 4081392 is about 159.8095650975.

The spelling of 4081392 in words is "four million, eighty-one thousand, three hundred ninety-two".