4144392 has 64 divisors (see below), whose sum is σ = 13161600. Its totient is φ = 1183680.

The previous prime is 4144373. The next prime is 4144409. The reversal of 4144392 is 2934414.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 2882.

It is an arithmetic number, because the mean of its divisors is an integer number (205650).

Almost surely, 2^4144392 is an apocalyptic number.

4144392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4144392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6580800).

4144392 is an abundant number, since it is smaller than the sum of its proper divisors (9017208).

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

4144392 is a wasteful number, since it uses less digits than its factorization.

4144392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763 (or 2753 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4144392 is about 2035.7779839658. Note that the first 3 decimals coincide. The cubic root of 4144392 is about 160.6276388813.

The spelling of 4144392 in words is "four million, one hundred forty-four thousand, three hundred ninety-two".