4211778 has 8 divisors (see below), whose sum is σ = 8423568. Its totient is φ = 1403924.

The previous prime is 4211761. The next prime is 4211797. The reversal of 4211778 is 8771124.

It is a sphenic number, since it is the product of 3 distinct primes.

4211778 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350976 + ... + 350987.

It is an arithmetic number, because the mean of its divisors is an integer number (1052946).

Almost surely, 2^4211778 is an apocalyptic number.

4211778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4211778 is a wasteful number, since it uses less digits than its factorization.

4211778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701968.

The product of its digits is 3136, while the sum is 30.

The square root of 4211778 is about 2052.2616792212. The cubic root of 4211778 is about 161.4935410070.

It can be divided in two parts, 42117 and 78, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 4211778 in words is "four million, two hundred eleven thousand, seven hundred seventy-eight".