4242087 has 12 divisors (see below), whose sum is σ = 6293560. Its totient is φ = 2751408.

The previous prime is 4242059. The next prime is 4242109. The reversal of 4242087 is 7802424.

It is not a de Polignac number, because 4242087 - 2⁶ = 4242023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4242087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6037 + ... + 6702.

Almost surely, 2^4242087 is an apocalyptic number.

4242087 is a deficient number, since it is larger than the sum of its proper divisors (2051473).

4242087 is a wasteful number, since it uses less digits than its factorization.

4242087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12782 (or 12779 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 4242087 is about 2059.6327342514. The cubic root of 4242087 is about 161.8799980071.

The spelling of 4242087 in words is "four million, two hundred forty-two thousand, eighty-seven".