4392328 has 32 divisors (see below), whose sum is σ = 8640000. Its totient is φ = 2090880.

The previous prime is 4392317. The next prime is 4392331. The reversal of 4392328 is 8232934.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 4392328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21973 + ... + 22171.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

Almost surely, 2^4392328 is an apocalyptic number.

It is an amenable number.

4392328 is a deficient number, since it is larger than the sum of its proper divisors (4247672).

4392328 is a wasteful number, since it uses less digits than its factorization.

4392328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 321 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 4392328 is about 2095.7881572335. The cubic root of 4392328 is about 163.7689588211.

Subtracting 4392328 from its reverse (8232934), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 4392328 in words is "four million, three hundred ninety-two thousand, three hundred twenty-eight".