4778141 has 4 divisors (see below), whose sum is σ = 4793532. Its totient is φ = 4762752.

The previous prime is 4778129. The next prime is 4778153. The reversal of 4778141 is 1418774.

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

It is an interprime number because it is at equal distance from previous prime (4778129) and next prime (4778153).

It can be written as a sum of positive squares in 2 ways, for example, as 1110916 + 3667225 = 1054^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 4778141 - 2⁶ = 4778077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4778098 and 4778107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778171) 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 3 ways as a sum of consecutive naturals, for example, 7220 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (1198383).

Almost surely, 2^4778141 is an apocalyptic number.

It is an amenable number.

4778141 is a deficient number, since it is larger than the sum of its proper divisors (15391).

4778141 is a wasteful number, since it uses less digits than its factorization.

4778141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15390.

The product of its digits is 6272, while the sum is 32.

The square root of 4778141 is about 2185.8959261593. The cubic root of 4778141 is about 168.4300795583.

The spelling of 4778141 in words is "four million, seven hundred seventy-eight thousand, one hundred forty-one".