4392492 has 48 divisors (see below), whose sum is σ = 11350752. Its totient is φ = 1313280.

The previous prime is 4392473. The next prime is 4392497. The reversal of 4392492 is 2942934.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4392497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5392 + ... + 6152.

It is an arithmetic number, because the mean of its divisors is an integer number (236474).

Almost surely, 2^4392492 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 4392492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5675376).

4392492 is an abundant number, since it is smaller than the sum of its proper divisors (6958260).

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

4392492 is a wasteful number, since it uses less digits than its factorization.

4392492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 816 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 4392492 is about 2095.8272829601. The cubic root of 4392492 is about 163.7709970550.

Adding to 4392492 its product of digits (15552), we get a palindrome (4408044).

It can be divided in two parts, 4392 and 492, that added together give a palindrome (4884).

The spelling of 4392492 in words is "four million, three hundred ninety-two thousand, four hundred ninety-two".