4242986 has 24 divisors (see below), whose sum is σ = 7110180. Its totient is φ = 1897280.

The previous prime is 4242983. The next prime is 4242989. The reversal of 4242986 is 6892424.

It is an interprime number because it is at equal distance from previous prime (4242983) and next prime (4242989).

It can be written as a sum of positive squares in 2 ways, for example, as 4141225 + 101761 = 2035^2 + 319^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4242983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21440 + ... + 21636.

Almost surely, 2^4242986 is an apocalyptic number.

4242986 is a deficient number, since it is larger than the sum of its proper divisors (2867194).

4242986 is a wasteful number, since it uses less digits than its factorization.

4242986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 299 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 4242986 is about 2059.8509654827. The cubic root of 4242986 is about 161.8914326177.

The spelling of 4242986 in words is "four million, two hundred forty-two thousand, nine hundred eighty-six".