4778043 has 8 divisors (see below), whose sum is σ = 6647808. Its totient is φ = 3046824.

The previous prime is 4778041. The next prime is 4778051. The reversal of 4778043 is 3408774.

It is a happy number.

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

It is not a de Polignac number, because 4778043 - 2¹ = 4778041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4777995 and 4778013.

It is not an unprimeable number, because it can be changed into a prime (4778041) 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, 34555 + ... + 34692.

It is an arithmetic number, because the mean of its divisors is an integer number (830976).

Almost surely, 2^4778043 is an apocalyptic number.

4778043 is a deficient number, since it is larger than the sum of its proper divisors (1869765).

4778043 is a wasteful number, since it uses less digits than its factorization.

4778043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69273.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 4778043 is about 2185.8735096066. The cubic root of 4778043 is about 168.4289280463.

The spelling of 4778043 in words is "four million, seven hundred seventy-eight thousand, forty-three".