4020192 has 144 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 1192320.

The previous prime is 4020167. The next prime is 4020197. The reversal of 4020192 is 2910204.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020197) 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 23 ways as a sum of consecutive naturals, for example, 85513 + ... + 85559.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

Almost surely, 2^4020192 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 4020192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6604416).

4020192 is an abundant number, since it is smaller than the sum of its proper divisors (9188640).

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

4020192 is a wasteful number, since it uses less digits than its factorization.

4020192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 63 counting only the distinct ones).

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

The square root of 4020192 is about 2005.0416454528. The cubic root of 4020192 is about 159.0067636852.

Adding to 4020192 its reverse (2910204), we get a palindrome (6930396).

The spelling of 4020192 in words is "four million, twenty thousand, one hundred ninety-two".