4142786 has 4 divisors (see below), whose sum is σ = 6214182. Its totient is φ = 2071392.

The previous prime is 4142767. The next prime is 4142791. The reversal of 4142786 is 6872414.

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., 2785561 + 1357225 = 1669^2 + 1165^2 .

It is a zygodrome in base 6.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1035695 + ... + 1035698.

Almost surely, 2^4142786 is an apocalyptic number.

4142786 is a deficient number, since it is larger than the sum of its proper divisors (2071396).

4142786 is a wasteful number, since it uses less digits than its factorization.

4142786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071395.

The product of its digits is 10752, while the sum is 32.

The square root of 4142786 is about 2035.3835019475. The cubic root of 4142786 is about 160.6068878425.

The spelling of 4142786 in words is "four million, one hundred forty-two thousand, seven hundred eighty-six".