4045392 has 60 divisors (see below), whose sum is σ = 12198004. Its totient is φ = 1244160.

The previous prime is 4045387. The next prime is 4045399. The reversal of 4045392 is 2935404.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 2547216 = 1224^2 + 1596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045399) 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, 792 + ... + 2952.

Almost surely, 2^4045392 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 4045392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6099002).

4045392 is an abundant number, since it is smaller than the sum of its proper divisors (8152612).

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

4045392 is a wasteful number, since it uses less digits than its factorization.

4045392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4045392 is about 2011.3159871089. The cubic root of 4045392 is about 159.3383089701.

The spelling of 4045392 in words is "four million, forty-five thousand, three hundred ninety-two".