4200986 has 4 divisors (see below), whose sum is σ = 6301482. Its totient is φ = 2100492.

The previous prime is 4200953. The next prime is 4200991. The reversal of 4200986 is 6890024.

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., 3591025 + 609961 = 1895^2 + 781^2 .

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050245 + ... + 1050248.

Almost surely, 2^4200986 is an apocalyptic number.

4200986 is a deficient number, since it is larger than the sum of its proper divisors (2100496).

4200986 is a wasteful number, since it uses less digits than its factorization.

4200986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100495.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4200986 is about 2049.6306984430. The cubic root of 4200986 is about 161.3554893340.

The spelling of 4200986 in words is "four million, two hundred thousand, nine hundred eighty-six".