4390084 has 12 divisors (see below), whose sum is σ = 7753900. Its totient is φ = 2174688.

The previous prime is 4390073. The next prime is 4390091. The reversal of 4390084 is 4800934.

It can be written as a sum of positive squares in 2 ways, for example, as 2073600 + 2316484 = 1440^2 + 1522^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4599 + ... + 5470.

Almost surely, 2^4390084 is an apocalyptic number.

It is an amenable number.

4390084 is a deficient number, since it is larger than the sum of its proper divisors (3363816).

4390084 is a wasteful number, since it uses less digits than its factorization.

4390084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182 (or 10180 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4390084 is about 2095.2527293861. The cubic root of 4390084 is about 163.7410647184.

The spelling of 4390084 in words is "four million, three hundred ninety thousand, eighty-four".