4240427 has 4 divisors (see below), whose sum is σ = 4279440. Its totient is φ = 4201416.

The previous prime is 4240421. The next prime is 4240433. The reversal of 4240427 is 7240424.

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

It is an interprime number because it is at equal distance from previous prime (4240421) and next prime (4240433).

It is a cyclic number.

It is not a de Polignac number, because 4240427 - 2¹⁸ = 3978283 is a prime.

It is a super-2 number, since 2×4240427² = 35962442284658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240421) 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, 19343 + ... + 19560.

It is an arithmetic number, because the mean of its divisors is an integer number (1069860).

Almost surely, 2^4240427 is an apocalyptic number.

4240427 is a deficient number, since it is larger than the sum of its proper divisors (39013).

4240427 is a wasteful number, since it uses less digits than its factorization.

4240427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39012.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 4240427 is about 2059.2297103529. The cubic root of 4240427 is about 161.8588797968.

The spelling of 4240427 in words is "four million, two hundred forty thousand, four hundred twenty-seven".