4018427 has 4 divisors (see below), whose sum is σ = 4592496. Its totient is φ = 3444360.

The previous prime is 4018423. The next prime is 4018433. The reversal of 4018427 is 7248104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4018427 - 2² = 4018423 is a prime.

It is a super-2 number, since 2×4018427² = 32295511108658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4018396 and 4018405.

It is not an unprimeable number, because it can be changed into a prime (4018423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287024 + ... + 287037.

It is an arithmetic number, because the mean of its divisors is an integer number (1148124).

Almost surely, 2^4018427 is an apocalyptic number.

4018427 is a deficient number, since it is larger than the sum of its proper divisors (574069).

4018427 is an equidigital number, since it uses as much as digits as its factorization.

4018427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574068.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 4018427 is about 2004.6014566492. The cubic root of 4018427 is about 158.9834905000.

The spelling of 4018427 in words is "four million, eighteen thousand, four hundred twenty-seven".