4142986 has 4 divisors (see below), whose sum is σ = 6214482. Its totient is φ = 2071492.

The previous prime is 4142947. The next prime is 4142989. The reversal of 4142986 is 6892414.

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

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 1062961 = 1755^2 + 1031^2 .

It is a super-3 number, since 3×4142986³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4142989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035745 + ... + 1035748.

Almost surely, 2^4142986 is an apocalyptic number.

4142986 is a deficient number, since it is larger than the sum of its proper divisors (2071496).

4142986 is a wasteful number, since it uses less digits than its factorization.

4142986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071495.

The product of its digits is 13824, while the sum is 34.

The square root of 4142986 is about 2035.4326321448. The cubic root of 4142986 is about 160.6094723240.

The spelling of 4142986 in words is "four million, one hundred forty-two thousand, nine hundred eighty-six".