4390927 has 4 divisors (see below), whose sum is σ = 4395976. Its totient is φ = 4385880.

The previous prime is 4390921. The next prime is 4390937. The reversal of 4390927 is 7290934.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4390927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4390892 and 4390901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390921) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 849 + ... + 3082.

It is an arithmetic number, because the mean of its divisors is an integer number (1098994).

Almost surely, 2^4390927 is an apocalyptic number.

4390927 is a deficient number, since it is larger than the sum of its proper divisors (5049).

4390927 is a wasteful number, since it uses less digits than its factorization.

4390927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 4390927 is about 2095.4538887792. The cubic root of 4390927 is about 163.7515447672.

The spelling of 4390927 in words is "four million, three hundred ninety thousand, nine hundred twenty-seven".