4392388 has 48 divisors (see below), whose sum is σ = 10329984. Its totient is φ = 1578240.

The previous prime is 4392383. The next prime is 4392397. The reversal of 4392388 is 8832934.

It is not an unprimeable number, because it can be changed into a prime (4392383) 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, 3456 + ... + 4552.

It is an arithmetic number, because the mean of its divisors is an integer number (215208).

Almost surely, 2^4392388 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 4392388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5164992).

4392388 is an abundant number, since it is smaller than the sum of its proper divisors (5937596).

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

4392388 is a wasteful number, since it uses less digits than its factorization.

4392388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 4392388 is about 2095.8024716084. The cubic root of 4392388 is about 163.7697045223.

The spelling of 4392388 in words is "four million, three hundred ninety-two thousand, three hundred eighty-eight".