4241781 has 8 divisors (see below), whose sum is σ = 6284160. Its totient is φ = 2827836.

The previous prime is 4241779. The next prime is 4241813. The reversal of 4241781 is 1871424.

It is not a de Polignac number, because 4241781 - 2¹ = 4241779 is a prime.

It is a super-2 number, since 2×4241781² = 35985412103922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 157103 = 4241781 / (4 + 2 + 4 + 1 + 7 + 8 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4241711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78525 + ... + 78578.

It is an arithmetic number, because the mean of its divisors is an integer number (785520).

Almost surely, 2^4241781 is an apocalyptic number.

It is an amenable number.

4241781 is a deficient number, since it is larger than the sum of its proper divisors (2042379).

4241781 is a wasteful number, since it uses less digits than its factorization.

4241781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157112 (or 157106 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 4241781 is about 2059.5584478232. The cubic root of 4241781 is about 161.8761055464.

The spelling of 4241781 in words is "four million, two hundred forty-one thousand, seven hundred eighty-one".