4002427 has 12 divisors (see below), whose sum is σ = 4730184. Its totient is φ = 3357120.

The previous prime is 4002403. The next prime is 4002431. The reversal of 4002427 is 7242004.

It is not a de Polignac number, because 4002427 - 2¹¹ = 4000379 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783 + ... + 2935.

It is an arithmetic number, because the mean of its divisors is an integer number (394182).

Almost surely, 2^4002427 is an apocalyptic number.

4002427 is a deficient number, since it is larger than the sum of its proper divisors (727757).

4002427 is a wasteful number, since it uses less digits than its factorization.

4002427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4002427 is about 2000.6066579915. The cubic root of 4002427 is about 158.7722038920.

The spelling of 4002427 in words is "four million, two thousand, four hundred twenty-seven".