4391427 has 8 divisors (see below), whose sum is σ = 5897920. Its totient is φ = 2906280.

The previous prime is 4391417. The next prime is 4391437. The reversal of 4391427 is 7241934.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4391417) and next prime (4391437).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4391427 - 2⁴ = 4391411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4391394 and 4391403.

It is not an unprimeable number, because it can be changed into a prime (4391417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4849 + ... + 5682.

It is an arithmetic number, because the mean of its divisors is an integer number (737240).

Almost surely, 2^4391427 is an apocalyptic number.

4391427 is a deficient number, since it is larger than the sum of its proper divisors (1506493).

4391427 is a wasteful number, since it uses less digits than its factorization.

4391427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673.

The product of its digits is 6048, while the sum is 30.

The square root of 4391427 is about 2095.5731912773. The cubic root of 4391427 is about 163.7577600580.

The spelling of 4391427 in words is "four million, three hundred ninety-one thousand, four hundred twenty-seven".