4002192 has 30 divisors (see below), whose sum is σ = 11200982. Its totient is φ = 1334016.

The previous prime is 4002169. The next prime is 4002197. The reversal of 4002192 is 2912004.

It can be written as a sum of positive squares in only one way, i.e., 2322576 + 1679616 = 1524^2 + 1296^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4002197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13753 + ... + 14040.

Almost surely, 2^4002192 is an apocalyptic number.

It is an amenable number.

4002192 is an abundant number, since it is smaller than the sum of its proper divisors (7198790).

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

4002192 is a wasteful number, since it uses less digits than its factorization.

4002192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27807 (or 27798 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4002192 is about 2000.5479249446. The cubic root of 4002192 is about 158.7690964276.

Adding to 4002192 its reverse (2912004), we get a palindrome (6914196).

The spelling of 4002192 in words is "four million, two thousand, one hundred ninety-two".